hack/tools/scripts/llm-key-hunter/results/_cache/content/870110437-sudo_fantastic-broccoli.json

{"repo": "870110437-sudo/fantastic-broccoli", "files": {"app.js": {"a2cc3a2b575859c127ef7c85e50c3abed53621b5": {"t": 1785746440.7761497, "n": 24491, "h": "c2025519788a3c26", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst GET_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY\n};\n\nconst POST_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\nconst res = await fetch(\n  `${BASE_URL}/Words?limit=1&skip=${skip}`,\n  { headers: GET_HEADERS }\n);\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers: GET_HEADERS }\n);\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      {headers: POST_HEADERS}\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n        headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n   const res = await fetch(\n  `${BASE_URL}/studyProgress?where=${where}`,\n  { headers: GET_HEADERS }\n);\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n const wordIds = progress.groupWordIds || [];\nconst words = [];\n\nfor (const id of wordIds) {\n  try {\n    const r = await fetch(\n      `${BASE_URL}/Words/${id}`,\n      { headers: GET_HEADERS }\n    );\n\n    const w = await r.json();\n\n    // 跳过已删除的单词\nif (w.error || !w.objectId) {\n  console.warn(\"单词不存在，用固定单词替代：\", id);\n\n  try {\n    const fallbackRes = await fetch(\n      `${BASE_URL}/Words/c42d7cb0f2`,\n      { headers: GET_HEADERS }\n    );\n\n    const fallbackWord =\n      await fallbackRes.json();\n\n    if (\n      fallbackWord &&\n      fallbackWord.objectId\n    ) {\n      words.push(fallbackWord);\n    }\n\n  } catch (err) {\n    console.error(\n      \"固定替代单词加载失败\",\n      err\n    );\n  }\n\n  continue;\n}\n\n// 全部失效了\nif (!words.length) {\n  console.warn(\"恢复的单词全部失效，重新开始\");\n  return startSession();\n}\n\nstate.groupWords = words;\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds.filter(id =>\n      words.some(w => w.objectId === id)\n    )\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// currentIndex 越界保护\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\ncurrentWord = queue[currentIndex];\n\n// currentWord 为空保护\nif (!currentWord) {\n  console.warn(\"currentWord 为空，重新开始\");\n  return startSession();\n}\n\nrenderWord();\n\n\n// 队列为空，重新开始\nif (!queue.length) {\n  console.warn(\"恢复队列为空，重新开始\");\n  return startSession();\n}\n\n// currentIndex 越界修正\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\n// 设置当前单词\ncurrentWord = queue[currentIndex];\n\n// 再保险\nif (!currentWord) {\n  console.warn(\"当前单词为空，重新开始\");\n  return startSession();\n}\nrenderWord();\n\n\n  \n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n     headers: POST_HEADERS,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n const res = await fetch(\n  `${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`,\n  { headers: GET_HEADERS }\n);\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers: POST_HEADERS});\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        {headers: POST_HEADERS }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "8fdf26097a610392784de3cbc640590decdc8746": {"t": 1785764272.0817401, "n": 24575, "h": "5f52798b4437fb87", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst GET_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY\n};\n\nconst POST_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\nconst res = await fetch(\n  `${BASE_URL}/Words?limit=1&skip=${skip}`,\n  { headers: GET_HEADERS }\n);\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers: GET_HEADERS }\n);\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      {headers: POST_HEADERS}\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n        headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n   const res = await fetch(\n  `${BASE_URL}/studyProgress?where=${where}`,\n  { headers: GET_HEADERS }\n);\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n const wordIds = progress.groupWordIds || [];\nconst words = [];\n\nfor (const id of wordIds) {\n  try {\n    const r = await fetch(\n      `${BASE_URL}/Words/${id}`,\n      { headers: GET_HEADERS }\n    );\n\n    const w = await r.json();\n\n    // 跳过已删除的单词\nif (w.error || !w.objectId) {\n  console.warn(\"单词不存在，用固定单词替代：\", id);\n\n  try {\n    const fallbackRes = await fetch(\n      `${BASE_URL}/Words/c42d7cb0f2`,\n      { headers: GET_HEADERS }\n    );\n\n    const fallbackWord =\n      await fallbackRes.json();\n\n    if (\n      fallbackWord &&\n      fallbackWord.objectId\n    ) {\n      words.push(fallbackWord);\n    }\n\n  } catch (err) {\n    console.error(\n      \"固定替代单词加载失败\",\n      err\n    );\n  }\n\n  continue;\n}\n\n// 全部失效了\nif (!words.length) {\n  console.warn(\"恢复的单词全部失效，重新开始\");\n  return startSession();\n}\n\nstate.groupWords = words;\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds.filter(id =>\n      words.some(w => w.objectId === id)\n    )\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// currentIndex 越界保护\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\ncurrentWord = queue[currentIndex];\n\n// currentWord 为空保护\nif (!currentWord) {\n  console.warn(\"currentWord 为空，重新开始\");\n  return startSession();\n}\n\nrenderWord();\n\n\n// 选择当前学习队列\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// 队列为空，重新开始\nif (!queue.length) {\n  console.warn(\"恢复队列为空，重新开始\");\n  return startSession();\n}\n\n// currentIndex 越界修正\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\n// 设置当前单词\ncurrentWord = queue[currentIndex];\n\n// 再保险\nif (!currentWord) {\n  console.warn(\"当前单词为空，重新开始\");\n  return startSession();\n}\nrenderWord();\n\n\n  \n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n     headers: POST_HEADERS,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n const res = await fetch(\n  `${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`,\n  { headers: GET_HEADERS }\n);\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers: POST_HEADERS});\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        {headers: POST_HEADERS }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "2ab9da617b4669e4f22c18339f8093f0bf9586fb": {"t": 1785764273.8972208, "n": 24744, "h": "af85eec5532df93f", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst GET_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY\n};\n\nconst POST_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\nconst res = await fetch(\n  `${BASE_URL}/Words?limit=1&skip=${skip}`,\n  { headers: GET_HEADERS }\n);\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers: GET_HEADERS }\n);\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      {headers: POST_HEADERS}\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // ���记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n        headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n   const res = await fetch(\n  `${BASE_URL}/studyProgress?where=${where}`,\n  { headers: GET_HEADERS }\n);\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n const wordIds = progress.groupWordIds || [];\nconst words = [];\n\nfor (const id of wordIds) {\n  try {\n    const r = await fetch(\n      `${BASE_URL}/Words/${id}`,\n      { headers: GET_HEADERS }\n    );\n\n    const w = await r.json();\n\n    // 跳过已删除的单词\nif (w.error || !w.objectId) {\n  console.warn(\"单词不存在，用固定单词替代：\", id);\n\n  try {\n    const fallbackRes = await fetch(\n      `${BASE_URL}/Words/c42d7cb0f2`,\n      { headers: GET_HEADERS }\n    );\n\n    const fallbackWord =\n      await fallbackRes.json();\n\n    if (\n      fallbackWord &&\n      fallbackWord.objectId\n    ) {\n      words.push(fallbackWord);\n    }\n\n  } catch (err) {\n    console.error(\n      \"固定替代单词加载失败\",\n      err\n    );\n  }\n\n  continue;\n}\n\n// 全部失效了\nif (!words.length) {\n  console.warn(\"恢复的单词全部失效，重新开始\");\n  return startSession();\n}\n\nstate.groupWords = words;\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds.filter(id =>\n      words.some(w => w.objectId === id)\n    )\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// currentIndex 越界保护\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\ncurrentWord = queue[currentIndex];\n\n// currentWord 为空保护\nif (!currentWord) {\n  console.warn(\"currentWord 为空，重新开始\");\n  return startSession();\n}\n\nrenderWord();\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\n// 选择当前学习队列\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// 队列为空，重新开始\nif (!queue.length) {\n  console.warn(\"恢复队列为空，重新开始\");\n  return startSession();\n}\n\n// currentIndex 越界修正\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\n// 设置当前单词\ncurrentWord = queue[currentIndex];\n\n// 再保险\nif (!currentWord) {\n  console.warn(\"当前单词为空，重新开始\");\n  return startSession();\n}\nrenderWord();\n\n\n  \n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n     headers: POST_HEADERS,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n const res = await fetch(\n  `${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`,\n  { headers: GET_HEADERS }\n);\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers: POST_HEADERS});\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        {headers: POST_HEADERS }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "f77ae743ca202fd57afc81d49cdd417287da968d": {"t": 1785764276.6811166, "n": 24684, "h": "872931333e796618", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst GET_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY\n};\n\nconst POST_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\nconst res = await fetch(\n  `${BASE_URL}/Words?limit=1&skip=${skip}`,\n  { headers: GET_HEADERS }\n);\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers: GET_HEADERS }\n);\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      {headers: POST_HEADERS}\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n        headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n   const res = await fetch(\n  `${BASE_URL}/studyProgress?where=${where}`,\n  { headers: GET_HEADERS }\n);\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n const wordIds = progress.groupWordIds || [];\nconst words = [];\n\nfor (const id of wordIds) {\n  try {\n    const r = await fetch(\n      `${BASE_URL}/Words/${id}`,\n      { headers: GET_HEADERS }\n    );\n\n    const w = await r.json();\n\n    // 跳过已删除的单词\nif (w.error || !w.objectId) {\n  console.warn(\"单词不存在，用固定单词替代：\", id);\n\n  try {\n    const fallbackRes = await fetch(\n      `${BASE_URL}/Words/c42d7cb0f2`,\n      { headers: GET_HEADERS }\n    );\n\n    const fallbackWord =\n      await fallbackRes.json();\n\n    if (\n      fallbackWord &&\n      fallbackWord.objectId\n    ) {\n      words.push(fallbackWord);\n    }\n\n  } catch (err) {\n    console.error(\n      \"固定替代单词加载失败\",\n      err\n    );\n  }\n\n  continue;\n}\n\n// 全部失效了\nif (!words.length) {\n  console.warn(\"恢复的单词全部失效，重新开始\");\n  return startSession();\n}\n\nstate.groupWords = words;\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// currentIndex 越界保护\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\ncurrentWord = queue[currentIndex];\n\n// currentWord 为空保护\nif (!currentWord) {\n  console.warn(\"currentWord 为空，重新开始\");\n  return startSession();\n}\n\nrenderWord();\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\n// 选择当前学习队列\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// 队列为空，重新开始\nif (!queue.length) {\n  console.warn(\"恢复队列为空，重新开始\");\n  return startSession();\n}\n\n// currentIndex 越界修正\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\n// 设置当前单词\ncurrentWord = queue[currentIndex];\n\n// 再保险\nif (!currentWord) {\n  console.warn(\"当前单词为空，重新开始\");\n  return startSession();\n}\nrenderWord();\n\n\n  \n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n     headers: POST_HEADERS,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n const res = await fetch(\n  `${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`,\n  { headers: GET_HEADERS }\n);\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers: POST_HEADERS});\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        {headers: POST_HEADERS }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "8c25f29b568ec40651f40f1bd2e6800119924212": {"t": 1785764278.1966367, "n": 24919, "h": "2fd14457df2a3950", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst GET_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY\n};\n\nconst POST_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\nconst res = await fetch(\n  `${BASE_URL}/Words?limit=1&skip=${skip}`,\n  { headers: GET_HEADERS }\n);\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers: GET_HEADERS }\n);\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      {headers: POST_HEADERS}\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n        headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n   const res = await fetch(\n  `${BASE_URL}/studyProgress?where=${where}`,\n  { headers: GET_HEADERS }\n);\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n const wordIds = progress.groupWordIds || [];\nconst words = [];\n\nfor (const id of wordIds) {\n  try {\n    const r = await fetch(\n      `${BASE_URL}/Words/${id}`,\n      { headers: GET_HEADERS }\n    );\n\n    const w = await r.json();\n\n    // 跳过已删除的单词\n const wordIds = Array.isArray(progress.groupWordIds)\n  ? progress.groupWordIds\n  : [];\n\nconst words = [];\n\n// 没有单词，直接重新开始\nif (!wordIds.length) {\n  console.warn(\"没有可恢复的单词，重新开始\");\n  return startSession();\n}\n\nfor (const id of wordIds) {\n  try {\n    const r = await fetch(\n      `${BASE_URL}/Words/${c42d7cb0f2}`,\n      { headers: GET_HEADERS }\n    );\n\n    // 请求失败（比如404）\n    if (!r.ok) {\n      console.warn(\"请求失败，跳过：\", id, r.status);\n      continue;\n    }\n\n    const w = await r.json();\n\n    // 数据异常\n    if (!w || !w.objectId) {\n      console.warn(\"单词不存在，跳过：\", id);\n      continue;\n    }\n\n    words.push(w);\n\n  } catch (err) {\n    console.warn(\"读取单词失败：\", id, err);\n    continue;\n  }\n}\n\n// 全部失效了\nif (!words.length) {\n  console.warn(\"恢复的单词全部失效，重新开始\");\n  return startSession();\n}\n\nstate.groupWords = words;\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// currentIndex 越界保护\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\ncurrentWord = queue[currentIndex];\n\n// currentWord 为空保护\nif (!currentWord) {\n  console.warn(\"currentWord 为空，重新开始\");\n  return startSession();\n}\n\nrenderWord();\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\n// 选择当前学习队列\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// 队列为空，重新开始\nif (!queue.length) {\n  console.warn(\"恢复队列为空，重新开始\");\n  return startSession();\n}\n\n// currentIndex 越界修正\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\n// 设置当前单词\ncurrentWord = queue[currentIndex];\n\n// 再保险\nif (!currentWord) {\n  console.warn(\"当前单词为空，重新开始\");\n  return startSession();\n}\nrenderWord();\n\n\n  \n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n     headers: POST_HEADERS,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n const res = await fetch(\n  `${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`,\n  { headers: GET_HEADERS }\n);\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers: POST_HEADERS});\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        {headers: POST_HEADERS }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "35c2773c222e47a53528b52e474a4a9716200dbe": {"t": 1785764279.9653237, "n": 24911, "h": "4fd13952e25f2289", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst GET_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY\n};\n\nconst POST_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\nconst res = await fetch(\n  `${BASE_URL}/Words?limit=1&skip=${skip}`,\n  { headers: GET_HEADERS }\n);\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers: GET_HEADERS }\n);\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      {headers: POST_HEADERS}\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n        headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n   const res = await fetch(\n  `${BASE_URL}/studyProgress?where=${where}`,\n  { headers: GET_HEADERS }\n);\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n const wordIds = progress.groupWordIds || [];\nconst words = [];\n\nfor (const id of wordIds) {\n  try {\n    const r = await fetch(\n      `${BASE_URL}/Words/${id}`,\n      { headers: GET_HEADERS }\n    );\n\n    const w = await r.json();\n\n    // 跳过已删除的单词\n const wordIds = Array.isArray(progress.groupWordIds)\n  ? progress.groupWordIds\n  : [];\n\nconst words = [];\n\n// 没有单词，直接重新开始\nif (!wordIds.length) {\n  console.warn(\"没有可恢复的单词，重新开始\");\n  return startSession();\n}\n\nfor (const id of wordIds) {\n  try {\n    const r = await fetch(\n      `${BASE_URL}/Words/${id}`,\n      { headers: GET_HEADERS }\n    );\n\n    // 请求失败（比如404）\n    if (!r.ok) {\n      console.warn(\"请求失败，跳过：\", id, r.status);\n      continue;\n    }\n\n    const w = await r.json();\n\n    // 数据异常\n    if (!w || !w.objectId) {\n      console.warn(\"单词不存在，跳过：\", id);\n      continue;\n    }\n\n    words.push(w);\n\n  } catch (err) {\n    console.warn(\"读取单词失败：\", id, err);\n    continue;\n  }\n}\n\n// 全部失效了\nif (!words.length) {\n  console.warn(\"恢复的单词全部失效，重新开始\");\n  return startSession();\n}\n\nstate.groupWords = words;\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// currentIndex 越界保护\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\ncurrentWord = queue[currentIndex];\n\n// currentWord 为空保护\nif (!currentWord) {\n  console.warn(\"currentWord 为空，重新开始\");\n  return startSession();\n}\n\nrenderWord();\n\n// 恢复错词\nconst wrongIds = Array.isArray(progress.wrongWordIds)\n  ? progress.wrongWordIds\n  : [];\n\nstate.wrongWords = words.filter(w =>\n  wrongIds.includes(w.objectId)\n);\n\n// 选择当前学习队列\nconst queue = inWrongReview\n  ? state.wrongWords\n  : state.groupWords;\n\n// 队列为空，重新开始\nif (!queue.length) {\n  console.warn(\"恢复队列为空，重新开始\");\n  return startSession();\n}\n\n// currentIndex 越界修正\nif (currentIndex >= queue.length) {\n  currentIndex = 0;\n}\n\n// 设置当前单词\ncurrentWord = queue[currentIndex];\n\n// 再保险\nif (!currentWord) {\n  console.warn(\"当前单词为空，重新开始\");\n  return startSession();\n}\nrenderWord();\n\n\n  \n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n     headers: POST_HEADERS,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n const res = await fetch(\n  `${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`,\n  { headers: GET_HEADERS }\n);\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers: POST_HEADERS});\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        {headers: POST_HEADERS }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "fb6a066c96e52e3b4260e080e4a28acc57564e44": {"t": 1785764281.6944268, "n": 23627, "h": "4bde1dee3674e475", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst GET_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY\n};\n\nconst POST_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\nconst res = await fetch(\n  `${BASE_URL}/Words?limit=1&skip=${skip}`,\n  { headers: GET_HEADERS }\n);\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers: GET_HEADERS }\n);\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      {headers: POST_HEADERS}\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n        headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n   const res = await fetch(\n  `${BASE_URL}/studyProgress?where=${where}`,\n  { headers: GET_HEADERS }\n);\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n const wordIds = progress.groupWordIds || [];\nconst words = [];\n\nfor (const id of wordIds) {\n  try {\n    const r = await fetch(\n      `${BASE_URL}/Words/${id}`,\n      { headers: GET_HEADERS }\n    );\n\n    const w = await r.json();\n\n    // 跳过已删除的单词\n    if (w.error || !w.objectId) {\n      console.warn(\"单词不存在，跳过：\", id);\n      continue;\n    }\n\n    words.push(w);\n\n  } catch (err) {\n    console.warn(\"读取单词失败：\", id, err);\n  }\n}\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n     headers: POST_HEADERS,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n const res = await fetch(\n  `${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`,\n  { headers: GET_HEADERS }\n);\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers: POST_HEADERS});\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        {headers: POST_HEADERS }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "a02d65718e1d0b1ef1d5d52c148ab20502fa85e9": {"t": 1785764283.560515, "n": 23475, "h": "79899c5ccda38712", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst GET_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY\n};\n\nconst POST_HEADERS = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\nconst res = await fetch(\n  `${BASE_URL}/Words?limit=1&skip=${skip}`,\n  { headers: GET_HEADERS }\n);\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers: GET_HEADERS }\n);\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      {headers: POST_HEADERS}\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n        headers: POST_HEADERS,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n   const res = await fetch(\n  `${BASE_URL}/studyProgress?where=${where}`,\n  { headers: GET_HEADERS }\n);\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers: POST_HEADERS }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n     headers: POST_HEADERS,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n const res = await fetch(\n  `${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`,\n  { headers: GET_HEADERS }\n);\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers: POST_HEADERS});\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        {headers: POST_HEADERS }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "16cf84794f616ac0283283e144c6d62ac418a7ed": {"t": 1785764286.0965877, "n": 23240, "h": "5ce60d26fceeb542", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n // \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers });\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        { headers }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "969d9cb13965f0285c8e75ac0bded85586e3a71b": {"t": 1785764287.6115208, "n": 23214, "h": "6192df9c53363cd6", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-LC-Id\": APP_ID,\n   \"X-LC-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers });\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        { headers }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "b3af7f9e55c39156ed55f86c64025758fd045e13": {"t": 1785764289.0694385, "n": 23238, "h": "46f44b7d62cf0c97", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers });\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        { headers }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n   closeModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "2969a9cdffb805fc42bbd2455cae42e0027ee0d5": {"t": 1785764290.5664594, "n": 23246, "h": "d5ab25b6ed07b5a9", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers });\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n// 打开新增单词弹窗\nfunction openAddWordModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  const wordInput = document.getElementById(\"newWord\");\n  const meaningInput = document.getElementById(\"newMeaning\");\n\n  if (!modal) {\n    console.error(\"没找到 addWordModal\");\n    return;\n  }\n\n  if (wordInput) wordInput.value = \"\";\n  if (meaningInput) meaningInput.value = \"\";\n\n  modal.classList.remove(\"hidden\");\n}\n\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        { headers }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n    closeAddWordModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "c309ecdc9f920f6cea8517f307cffd41f727543d": {"t": 1785764291.9767358, "n": 23086, "h": "1a72619074051b83", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n// 关闭新增单词弹窗\nfunction closeModal() {\n  const modal = document.getElementById(\"addWordModal\");\n  if (modal) {\n    modal.classList.add(\"hidden\");\n  }\n}\n//保存单词\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers });\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n  function openAddWordModal(event) {\n  if (event) event.stopPropagation();\n\n  document\n    .getElementById(\"addWordModal\")\n    .classList.remove(\"hidden\");\n\n  document\n    .getElementById(\"newWordInput\")\n    .value = \"\";\n\n  document\n    .getElementById(\"newMeaningInput\")\n    .value = \"\";\n}\n\nfunction closeAddWordModal() {\n  document\n    .getElementById(\"addWordModal\")\n    .classList.add(\"hidden\");\n}\n\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        { headers }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n    closeAddWordModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "baafbc591b0e99e49fb5ffce0050448604643a21": {"t": 1785764293.271262, "n": 22931, "h": "b4453f7ad24b2971", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers });\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\n\n\nasync function nextWord() {\n  currentIndex += 1;\n\n  const queue =\n    inWrongReview\n      ? state.wrongWords\n      : state.groupWords;\n\n  if (currentIndex >= queue.length) {\n\n    // 错词复习结束\n    if (inWrongReview) {\n      return openPassageTest(\n        state.groupWords\n      );\n    }\n\n    // 第一轮结束：切换到中→英\n    if (\n      currentMode ===\n      studyModes.EN_TO_CN\n    ) {\n      currentMode =\n        studyModes.CN_TO_EN;\n\n      currentIndex = 0;\n      state.phaseDone = 0;\n\n      await saveStudyProgress();\n\n      switchMode(\"cn\");\n      return;\n    }\n\n    // 第二轮结束：进入错词复习\n    if (state.wrongWords.length) {\n      inWrongReview = true;\n      currentIndex = 0;\n\n      await saveStudyProgress();\n\n      showToast(\n        \"进入错词复习\"\n      );\n\n      currentWord =\n        state.wrongWords[\n          currentIndex\n        ];\n\n      renderWord();\n      return;\n    }\n\n    // 全部完成\n    return openPassageTest(\n      state.groupWords\n    );\n  }\n\n  // 正常进入下一词\n  currentWord =\n    queue[currentIndex];\n\n  renderWord();\n}\n\n\n\n\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n  function openAddWordModal(event) {\n  if (event) event.stopPropagation();\n\n  document\n    .getElementById(\"addWordModal\")\n    .classList.remove(\"hidden\");\n\n  document\n    .getElementById(\"newWordInput\")\n    .value = \"\";\n\n  document\n    .getElementById(\"newMeaningInput\")\n    .value = \"\";\n}\n\nfunction closeAddWordModal() {\n  document\n    .getElementById(\"addWordModal\")\n    .classList.add(\"hidden\");\n}\n\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        { headers }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n    closeAddWordModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "6bd14d1d6abf190a808e004f59b9d972732fb070": {"t": 1785764295.0728757, "n": 22558, "h": "029c0025b8c9cc13", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n\nconst findRes = await fetch(\n  `${BASE_URL}/userwords?where=${where}`,\n  { headers });\nconsole.log(\"userwords status:\", findRes.status);\nconst findData = await findRes.json();\nconsole.log(\"userwords response:\", findData);\n\n  \n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n   if (currentMode === studyModes.EN_TO_CN) {\n  currentMode = studyModes.CN_TO_EN;\n  currentIndex = 0;\n  state.phaseDone = 0;\n\n  await saveStudyProgress();   // 加这个\n\n  switchMode(\"cn\");\n  return;\n}\nif (state.wrongWords.length) {\n  inWrongReview = true;\n  currentIndex = 0;\n\n  await saveStudyProgress();\n\n  showToast(`进入错词复习`);\n  currentWord = state.wrongWords[currentIndex];\n  renderWord();\n  return;\n}\n\n}   // ← 缺的就是这个\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n  function openAddWordModal(event) {\n  if (event) event.stopPropagation();\n\n  document\n    .getElementById(\"addWordModal\")\n    .classList.remove(\"hidden\");\n\n  document\n    .getElementById(\"newWordInput\")\n    .value = \"\";\n\n  document\n    .getElementById(\"newMeaningInput\")\n    .value = \"\";\n}\n\nfunction closeAddWordModal() {\n  document\n    .getElementById(\"addWordModal\")\n    .classList.add(\"hidden\");\n}\n\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        { headers }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n    closeAddWordModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "3ddf7bb1fcef05f8019a020300d2337f83604bfe": {"t": 1785764296.539787, "n": 22456, "h": "0c9bd19d42e1b3ef", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n   if (currentMode === studyModes.EN_TO_CN) {\n  currentMode = studyModes.CN_TO_EN;\n  currentIndex = 0;\n  state.phaseDone = 0;\n\n  await saveStudyProgress();   // 加这个\n\n  switchMode(\"cn\");\n  return;\n}\nif (state.wrongWords.length) {\n  inWrongReview = true;\n  currentIndex = 0;\n\n  await saveStudyProgress();\n\n  showToast(`进入错词复习`);\n  currentWord = state.wrongWords[currentIndex];\n  renderWord();\n  return;\n}\n\n}   // ← 缺的就是这个\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n//添加单词\n  function openAddWordModal(event) {\n  if (event) event.stopPropagation();\n\n  document\n    .getElementById(\"addWordModal\")\n    .classList.remove(\"hidden\");\n\n  document\n    .getElementById(\"newWordInput\")\n    .value = \"\";\n\n  document\n    .getElementById(\"newMeaningInput\")\n    .value = \"\";\n}\n\nfunction closeAddWordModal() {\n  document\n    .getElementById(\"addWordModal\")\n    .classList.add(\"hidden\");\n}\n\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        { headers }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n    closeAddWordModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "c11a3721c9d17dddb5ae62008ed3c3d8f25f012f": {"t": 1785764297.9760072, "n": 22451, "h": "24166ff73b26185b", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n   if (currentMode === studyModes.EN_TO_CN) {\n  currentMode = studyModes.CN_TO_EN;\n  currentIndex = 0;\n  state.phaseDone = 0;\n\n  await saveStudyProgress();   // 加这个\n\n  switchMode(\"cn\");\n  return;\n}\n  if (state.wrongWords.length) {\n  inWrongReview = true;\n  currentIndex = 0;\n\n  await saveStudyProgress();   // 加这个\n\n  showToast(`进入错词复习`);\n  currentWord = state.wrongWords[currentIndex];\n  renderWord();\n  return;\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n//添加单词\n  function openAddWordModal(event) {\n  if (event) event.stopPropagation();\n\n  document\n    .getElementById(\"addWordModal\")\n    .classList.remove(\"hidden\");\n\n  document\n    .getElementById(\"newWordInput\")\n    .value = \"\";\n\n  document\n    .getElementById(\"newMeaningInput\")\n    .value = \"\";\n}\n\nfunction closeAddWordModal() {\n  document\n    .getElementById(\"addWordModal\")\n    .classList.add(\"hidden\");\n}\n\n\nasync function saveNewWord() {\n  const word = document\n    .getElementById(\"newWordInput\")\n    .value\n    .trim()\n    .toLowerCase();\n\n  const meaning = document\n    .getElementById(\"newMeaningInput\")\n    .value\n    .trim();\n\n  if (!word || !meaning) {\n    showToast(\"请填写完整\");\n    return;\n  }\n\n  try {\n    // 先查重\n    const where =\n      encodeURIComponent(\n        JSON.stringify({\n          word\n        })\n      );\n\n    const checkRes =\n      await fetch(\n        `${BASE_URL}/Words?where=${where}`,\n        { headers }\n      );\n\n    const checkData =\n      await checkRes.json();\n\n    if (\n      checkData.results?.length\n    ) {\n      showToast(\n        \"单词已存在\"\n      );\n      return;\n    }\n\n    // 保存\n    await fetch(\n      `${BASE_URL}/Words`,\n      {\n        method: \"POST\",\n        headers,\n        body: JSON.stringify({\n          word,\n          meaning\n        })\n      }\n    );\n\n    showToast(\n      \"已加入单词库\"\n    );\n\n    closeAddWordModal();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\n      \"添加失败\"\n    );\n  }\n}\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "518e5f528e8e2486956f7a016a94937dfc4af19a": {"t": 1785764299.4572585, "n": 21123, "h": "79bea7d8a1560724", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n  state.groupWords = words;\n\n// 恢复错词\nconst wrongIds =\n  progress.wrongWordIds || [];\n\nstate.wrongWords =\n  words.filter(w =>\n    wrongIds.includes(\n      w.objectId\n    )\n  );\n\nconst queue =\n  inWrongReview\n    ? state.wrongWords\n    : state.groupWords;\n\ncurrentWord =\n  queue[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal =\n    document.getElementById(\n      \"passageModal\"\n    );\n\n  if (passageModal) {\n    passageModal.classList.add(\n      \"hidden\"\n    );\n  }\n\n  if (\n    pendingNextSession &&\n    startNext\n  ) {\n    pendingNextSession = false;\n\n    // 修复：不要恢复旧记录\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n\n  // 修复：不要累计\n  state.todayNew = GROUP_SIZE;\n\n  state.phaseDone = 0;\n\n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n\n  document.querySelectorAll(\".seg-btn\")\n    .forEach(btn =>\n      btn.classList.toggle(\n        \"active\",\n        btn.dataset.mode === \"en\"\n      )\n    );\n\n  currentWord = state.groupWords[0] || null;\n\n  if (!currentWord) {\n    document.getElementById(\n      \"progressText\"\n    ).textContent = \"词库不足，请先补充单词\";\n    return;\n  }\n\n  await saveStudyProgress();   // 新增\n  renderWord();\n}\n\nloadStudyProgress();\n"}, "c56b5203636a67ec522487094ea65b6f3dc247d7": {"t": 1785764300.9591193, "n": 20835, "h": "0864d8c90db18efe", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n const payload = {\n  userId: currentUserId,\n  currentIndex,\n  currentMode,\n  inWrongReview,\n\n  todayDone: state.todayDone,\n  todayNew: state.todayNew,\n  streak: state.streak,\n\n  groupWordIds: state.groupWords.map(\n    w => w.objectId\n  ),\n\n  wrongWordIds: state.wrongWords.map(\n    w => w.objectId\n  )\n};\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    state.todayDone = progress.todayDone || 0;\nstate.todayNew = progress.todayNew || 0;\nstate.streak = progress.streak || 1;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    loadStudyProgress();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nloadStudyProgress();\n"}, "8b009926a43a3159a6ee13e3a03caebaef59660a": {"t": 1785764303.59439, "n": 20623, "h": "ff4d3fc258e7c9f4", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n//缓存占位符\nfunction showLoading(text = \"AI生成中...\") {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  const label = overlay.querySelector(\".loading-text\");\n  if (label) label.textContent = text;\n\n  overlay.classList.remove(\"hidden\");\n}\n\nfunction hideLoading() {\n  const overlay = document.getElementById(\"loadingOverlay\");\n  if (!overlay) return;\n\n  overlay.classList.add(\"hidden\");\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n  const payload = {\n    userId: currentUserId,\n    currentIndex,\n    currentMode,\n    inWrongReview,\n    groupWordIds: state.groupWords.map(w => w.objectId),\n    wrongWordIds: state.wrongWords.map(w => w.objectId)\n  };\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n  showLoading(\"正在生成词根记忆...\");\nconst generated =\n  await generateMemoryMethod(\n    currentWord.word,\n    currentWord.meaning\n  );\nhideLoading();\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    hideLoading();\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    loadStudyProgress();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    hideLoading();\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nloadStudyProgress();\n"}, "4ebc46ce6399deb5ba7b1b087bf4640df81f8430": {"t": 1785764304.9478896, "n": 20139, "h": "f172bf3e00907550", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\nconst GEN_API_KEY = \"sk-Cc6RjpYaHQmyJctCxaJEVjOcroZCvQZTwe7PQRiXDBpGZcsd\";\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n  const payload = {\n    userId: currentUserId,\n    currentIndex,\n    currentMode,\n    inWrongReview,\n    groupWordIds: state.groupWords.map(w => w.objectId),\n    wrongWordIds: state.wrongWords.map(w => w.objectId)\n  };\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n    const generated =\n      await generateMemoryMethod(\n        currentWord.word,\n        currentWord.meaning\n      );\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\nconst genKey = GEN_API_KEY;\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n const genKey = GEN_API_KEY;\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查 后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    loadStudyProgress();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nloadStudyProgress();\n"}, "40b1d9b4d92c22aca1621f83a6a2af50fe36297e": {"t": 1785764306.5912077, "n": 21081, "h": "04852964345a4cf0", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\n\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\nconst savedGenKey = localStorage.getItem(\"genApiKey\");\nif (!savedGenKey) {\n  showToast('未配置生成 API Key，请先点 \"API设置\"');\n}\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n  const payload = {\n    userId: currentUserId,\n    currentIndex,\n    currentMode,\n    inWrongReview,\n    groupWordIds: state.groupWords.map(w => w.objectId),\n    wrongWordIds: state.wrongWords.map(w => w.objectId)\n  };\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n    const generated =\n      await generateMemoryMethod(\n        currentWord.word,\n        currentWord.meaning\n      );\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\n  const genKey =\n    localStorage.getItem(\n      \"genApiKey\"\n    );\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n  const genKey = localStorage.getItem(\"genApiKey\");\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查API设置后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    loadStudyProgress();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction openSettingsModal() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (apiKeyInput) {\n    apiKeyInput.value = localStorage.getItem(\"genApiKey\") || \"\";\n  }\n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.remove(\"hidden\");\n  }\n}\n\nfunction closeSettingsModal() { \n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.add(\"hidden\");\n  }\n}\n\nfunction saveApiKey() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (!apiKeyInput) return;\n  \n  const key = apiKeyInput.value.trim();\n  if (!key.startsWith(\"sk-\")) {\n    showToast(\"Key 格式不正确\");\n    return;\n  }\n  \n  localStorage.setItem(\"genApiKey\", key);\n  closeSettingsModal();\n  showToast(\"API Key 已保存\");\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nloadStudyProgress();\n"}, "14d393770ae3abe69021da5adee8315180b40397": {"t": 1785764308.1740396, "n": 22734, "h": "04120028c2b6db96", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\n\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\nconst savedGenKey = localStorage.getItem(\"genApiKey\");\nif (!savedGenKey) {\n  showToast('未配置生成 API Key，请先点 \"API设置\"');\n}\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n  const payload = {\n    userId: currentUserId,\n    currentIndex,\n    currentMode,\n    inWrongReview,\n    groupWordIds: state.groupWords.map(w => w.objectId),\n    wrongWordIds: state.wrongWords.map(w => w.objectId)\n  };\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\nasync function renderWord() {\n  if (!currentWord) return;\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n  \n  if (!primary || !meta || !meaning || !example || !root || !memoryMethodInput) return;\n  \n  expanded = false;\n  document.getElementById(\"card\").classList.remove(\"expanded\");\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\n// 渲染单词卡片\nasync function renderWord() {\n  if (!currentWord) return;\n\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n\n  if (\n    !primary ||\n    !meta ||\n    !meaning ||\n    !example ||\n    !root ||\n    !memoryMethodInput\n  ) return;\n\n  expanded = false;\n  document\n    .getElementById(\"card\")\n    .classList.remove(\"expanded\");\n\n  // ===== 1. 查免费词典 =====\n  const dictInfo = await fetchWordInfo(\n    currentWord.word\n  );\n\n  // 保存发音地址\n  window.currentAudioUrl =\n    dictInfo.audio || \"\";\n\n  // ===== 2. 自动生成词根联想（只生成一次）=====\n  let memory =\n    currentWord.memorymethod ||\n    currentWord.root ||\n    \"\";\n\n  if (!memory) {\n    root.textContent =\n      \"词根词缀: 生成中...\";\n\n    const generated =\n      await generateMemoryMethod(\n        currentWord.word,\n        currentWord.meaning\n      );\n\n    if (generated) {\n      memory = generated;\n\n      // 更新当前对象\n      currentWord.memorymethod =\n        generated;\n\n      // 写回数据库\n      try {\n        await fetch(\n          `${BASE_URL}/Words/${currentWord.objectId}`,\n          {\n            method: \"PUT\",\n            headers,\n            body: JSON.stringify({\n              memorymethod:\n                generated\n            })\n          }\n        );\n      } catch (err) {\n        console.error(\n          \"写回词根失败\",\n          err\n        );\n      }\n    }\n  }\n\n  root.textContent = memory\n    ? `词根词缀: ${memory}`\n    : \"词根词缀: 暂无\";\n\n  memoryMethodInput.value =\n    memory;\n\n  // ===== 3. 模式渲染 =====\n  const modeRenderConfig = {\n    [studyModes.EN_TO_CN]: {\n      primary: () =>\n        currentWord.word || \"-\",\n\n      meta: () =>\n        `${dictInfo.phonetic} ${dictInfo.pos}`.trim(),\n\n      meaning: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      example: () =>\n        dictInfo.example\n          ? `例句: ${dictInfo.example}`\n          : \"例句: 暂无\"\n    },\n\n    [studyModes.CN_TO_EN]: {\n      primary: () =>\n        currentWord.meaning ||\n        \"暂无释义\",\n\n      meta: () =>\n        \"先回忆英文，再点击查看\",\n\n      meaning: () =>\n        `${currentWord.word || \"-\"} ${dictInfo.phonetic}`.trim(),\n\n      example: () =>\n        dictInfo.pos\n          ? `词性: ${dictInfo.pos}`\n          : \"词性: 暂无\"\n    }\n  };\n\n  const renderRule =\n    modeRenderConfig[currentMode];\n\n  if (renderRule) {\n    primary.textContent =\n      renderRule.primary();\n\n    meta.textContent =\n      renderRule.meta();\n\n    meaning.textContent =\n      renderRule.meaning();\n\n    example.textContent =\n      renderRule.example();\n  }\n\n  updateProgress();\n}\n\n\n// 免费词典 API\nasync function fetchWordInfo(word) {\n  try {\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n    const entry = data[0];\n\n    return {\n      phonetic:\n        entry.phonetic ||\n        entry.phonetics?.find(\n          x => x.text\n        )?.text ||\n        \"\",\n\n      audio:\n        entry.phonetics?.find(\n          x => x.audio\n        )?.audio ||\n        \"\",\n\n      pos:\n        entry.meanings?.[0]\n          ?.partOfSpeech || \"\",\n\n      example:\n        entry.meanings?.[0]\n          ?.definitions?.find(\n            x => x.example\n          )?.example || \"\"\n    };\n\n  } catch (err) {\n    console.error(\n      \"词典查询失败\",\n      err\n    );\n\n    return {\n      phonetic: \"\",\n      audio: \"\",\n      pos: \"\",\n      example: \"\"\n    };\n  }\n}\n\n\n// DeepSeek 自动生成词根联想\nasync function generateMemoryMethod(\n  word,\n  meaning\n) {\n  const genKey =\n    localStorage.getItem(\n      \"genApiKey\"\n    );\n\n  if (!genKey) {\n    console.warn(\n      \"未设置生成 API Key\"\n    );\n    return \"\";\n  }\n\n  try {\n    const res = await fetch(\n      \"https://shiyunapi.com/v1/chat/completions\",\n      {\n        method: \"POST\",\n        headers: {\n          \"Content-Type\":\n            \"application/json\",\n          Authorization:\n            `Bearer ${genKey}`\n        },\n        body: JSON.stringify({\n          model:\n            \"deepseek-chat\",\n          messages: [\n            {\n              role: \"user\",\n              content:\n                `请为英语单词 ${word}（意思：${meaning}）生成简短词根词缀联想记忆法，控制在30字以内，只返回结果，不要解释。`\n            }\n          ]\n        })\n      }\n    );\n\n    const data =\n      await res.json();\n\n    return (\n      data.choices?.[0]\n        ?.message?.content?.trim() ||\n      \"\"\n    );\n\n  } catch (err) {\n    console.error(\n      \"生成词根联想失败\",\n      err\n    );\n\n    return \"\";\n  }\n}\n\n\n// 发音\nfunction playPronunciation() {\n  if (\n    !window.currentAudioUrl\n  ) {\n    showToast(\n      \"没有发音\"\n    );\n    return;\n  }\n\n  new Audio(\n    window.currentAudioUrl\n  ).play();\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n  const genKey = localStorage.getItem(\"genApiKey\");\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查API设置后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    loadStudyProgress();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction openSettingsModal() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (apiKeyInput) {\n    apiKeyInput.value = localStorage.getItem(\"genApiKey\") || \"\";\n  }\n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.remove(\"hidden\");\n  }\n}\n\nfunction closeSettingsModal() { \n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.add(\"hidden\");\n  }\n}\n\nfunction saveApiKey() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (!apiKeyInput) return;\n  \n  const key = apiKeyInput.value.trim();\n  if (!key.startsWith(\"sk-\")) {\n    showToast(\"Key 格式不正确\");\n    return;\n  }\n  \n  localStorage.setItem(\"genApiKey\", key);\n  closeSettingsModal();\n  showToast(\"API Key 已保存\");\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nstartSession();\n"}, "275eaaa486162798b18fb9f75bac03546119e6a6": {"t": 1785764309.716601, "n": 19726, "h": "3594990326ff0517", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\n\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\nconst savedGenKey = localStorage.getItem(\"genApiKey\");\nif (!savedGenKey) {\n  showToast('未配置生成 API Key，请先点 \"API设置\"');\n}\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n  const payload = {\n    userId: currentUserId,\n    currentIndex,\n    currentMode,\n    inWrongReview,\n    groupWordIds: state.groupWords.map(w => w.objectId),\n    wrongWordIds: state.wrongWords.map(w => w.objectId)\n  };\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\nfunction renderWord() {\n  if (!currentWord) return;\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n  \n  if (!primary || !meta || !meaning || !example || !root || !memoryMethodInput) return;\n  \n  expanded = false;\n  document.getElementById(\"card\").classList.remove(\"expanded\");\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\nconst modeRenderConfig = {\n  [studyModes.EN_TO_CN]: {\n    primary: () => currentWord.word || \"-\",\n    meta: () => `${currentWord.IPA ?? \"\"} ${currentWord.pos ?? \"\"}`.trim(),\n    meaning: () => currentWord.meaning || \"暂无释义\",\n    example: () => currentWord.example?.trim() ? `例句: ${currentWord.example}` : \"例句: 暂无\"\n  },\n  // 反向模式\n  [studyModes.CN_TO_EN]: {\n    primary: () => currentWord.meaning || \"暂无释义\",\n    meta: () => \"先回忆英文，再点击查看\",\n    meaning: () => `${currentWord.word || \"-\"} ${currentWord.IPA ?? \"\"}`.trim(),\n    example: () => currentWord.pos ? `词性: ${currentWord.pos}` : \"词性: 暂无\"\n  }\n};\n\n// 公共逻辑（和模式无关，抽离出来，只写一次）\nconst memory = currentWord.memorymethod || currentWord.root || \"\";\nroot.textContent = memory ? `词根词缀: ${memory}` : \"词根词缀: 预留\";\nmemoryMethodInput.value = currentWord.memorymethod || \"\";\n\n// 根据当前模式直接拿配置渲染\nconst renderRule = modeRenderConfig[currentMode];\nif (renderRule) {\n  primary.textContent = renderRule.primary();\n  meta.textContent = renderRule.meta();\n  meaning.textContent = renderRule.meaning();\n  example.textContent = renderRule.example();\n}\n\nupdateProgress();\n}\n//发音\nasync function playPronunciation() {\n  const word = currentWord.word;\n\n  if (!word) {\n    showToast(\"没有单词\");\n    return;\n  }\n\n  try {\n    // 查询免费词典 API\n    const res = await fetch(\n      `https://api.dictionaryapi.dev/api/v2/entries/en/${word}`\n    );\n\n    const data = await res.json();\n\n    // 找到第一个有 audio 的发音\n    let audioUrl = \"\";\n\n    for (const phonetic of data[0]?.phonetics || []) {\n      if (phonetic.audio) {\n        audioUrl = phonetic.audio;\n        break;\n      }\n    }\n\n    if (!audioUrl) {\n      showToast(\"没有找到发音\");\n      return;\n    }\n\n    // 播放\n    const audio = new Audio(audioUrl);\n    audio.play();\n\n  } catch (err) {\n    console.error(err);\n    showToast(\"发音加载失败\");\n  }\n}\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n  const genKey = localStorage.getItem(\"genApiKey\");\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查API设置后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    loadStudyProgress();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction openSettingsModal() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (apiKeyInput) {\n    apiKeyInput.value = localStorage.getItem(\"genApiKey\") || \"\";\n  }\n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.remove(\"hidden\");\n  }\n}\n\nfunction closeSettingsModal() { \n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.add(\"hidden\");\n  }\n}\n\nfunction saveApiKey() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (!apiKeyInput) return;\n  \n  const key = apiKeyInput.value.trim();\n  if (!key.startsWith(\"sk-\")) {\n    showToast(\"Key 格式不正确\");\n    return;\n  }\n  \n  localStorage.setItem(\"genApiKey\", key);\n  closeSettingsModal();\n  showToast(\"API Key 已保存\");\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nstartSession();\n"}, "2f37eb291b75842a41ab2c5abc5a79346c45798f": {"t": 1785764311.2455473, "n": 19269, "h": "bd9bb23d39e35df8", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\n\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\nconst savedGenKey = localStorage.getItem(\"genApiKey\");\nif (!savedGenKey) {\n  showToast('未配置生成 API Key，请先点 \"API设置\"');\n}\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\n\n\n//新增“保存进度”函数\nasync function saveStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n  if (!currentUserId) return;\n\n  const payload = {\n    userId: currentUserId,\n    currentIndex,\n    currentMode,\n    inWrongReview,\n    groupWordIds: state.groupWords.map(w => w.objectId),\n    wrongWordIds: state.wrongWords.map(w => w.objectId)\n  };\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    // 先查有没有已有记录\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (data.results?.length) {\n      // 有记录 → 更新\n      const objectId = data.results[0].objectId;\n\n      await fetch(\n        `${BASE_URL}/studyProgress/${objectId}`,\n        {\n          method: \"PUT\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    } else {\n      // 没记录 → 新建\n      await fetch(\n        `${BASE_URL}/studyProgress`,\n        {\n          method: \"POST\",\n          headers,\n          body: JSON.stringify(payload)\n        }\n      );\n    }\n\n  } catch (err) {\n    console.error(\"保存学习进度失败\", err);\n  }\n}\n\n//新增“恢复进度”函数\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\n//-----------------------------------\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\nasync function loadStudyProgress() {\n  const currentUserId = localStorage.getItem(\"userId\");\n\n  if (!currentUserId) {\n    return startSession();\n  }\n\n  try {\n    const where = encodeURIComponent(\n      JSON.stringify({ userId: currentUserId })\n    );\n\n    const res = await fetch(\n      `${BASE_URL}/studyProgress?where=${where}`,\n      { headers }\n    );\n\n    const data = await res.json();\n\n    if (!data.results?.length) {\n      return startSession();\n    }\n\n    const progress = data.results[0];\n\n    currentIndex = progress.currentIndex || 0;\n    currentMode = progress.currentMode || studyModes.EN_TO_CN;\n    inWrongReview = progress.inWrongReview || false;\n\n    const wordIds = progress.groupWordIds || [];\n    const words = [];\n\n    for (const id of wordIds) {\n      const r = await fetch(\n        `${BASE_URL}/Words/${id}`,\n        { headers }\n      );\n      const w = await r.json();\n      words.push(w);\n    }\n\n    state.groupWords = words;\n    currentWord = words[currentIndex];\n\n    renderWord();\n\n  } catch (err) {\n    console.error(\"恢复学习进度失败\", err);\n    startSession();\n  }\n}\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\nfunction renderWord() {\n  if (!currentWord) return;\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n  \n  if (!primary || !meta || !meaning || !example || !root || !memoryMethodInput) return;\n  \n  expanded = false;\n  document.getElementById(\"card\").classList.remove(\"expanded\");\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\nconst modeRenderConfig = {\n  [studyModes.EN_TO_CN]: {\n    primary: () => currentWord.word || \"-\",\n    meta: () => `${currentWord.IPA ?? \"\"} ${currentWord.pos ?? \"\"}`.trim(),\n    meaning: () => currentWord.meaning || \"暂无释义\",\n    example: () => currentWord.example?.trim() ? `例句: ${currentWord.example}` : \"例句: 暂无\"\n  },\n  // 反向模式\n  [studyModes.CN_TO_EN]: {\n    primary: () => currentWord.meaning || \"暂无释义\",\n    meta: () => \"先回忆英文，再点击查看\",\n    meaning: () => `${currentWord.word || \"-\"} ${currentWord.IPA ?? \"\"}`.trim(),\n    example: () => currentWord.pos ? `词性: ${currentWord.pos}` : \"词性: 暂无\"\n  }\n};\n\n// 公共逻辑（和模式无关，抽离出来，只写一次）\nconst memory = currentWord.memorymethod || currentWord.root || \"\";\nroot.textContent = memory ? `词根词缀: ${memory}` : \"词根词缀: 预留\";\nmemoryMethodInput.value = currentWord.memorymethod || \"\";\n\n// 根据当前模式直接拿配置渲染\nconst renderRule = modeRenderConfig[currentMode];\nif (renderRule) {\n  primary.textContent = renderRule.primary();\n  meta.textContent = renderRule.meta();\n  meaning.textContent = renderRule.meaning();\n  example.textContent = renderRule.example();\n}\n\nupdateProgress();\n}\n\nfunction playAudio(event, slow = false) { \n  if (event) event.stopPropagation(); \n  if (!currentWord?.pronunciation) return alert(\"没有发音\"); \n  const a = new Audio(currentWord.pronunciation); \n  a.playbackRate = slow ? 0.75 : 1;\n  a.play();\n}\n\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\nawait saveWord(known ? 1 : 0);\nawait saveStudyProgress();\nawait nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n  const genKey = localStorage.getItem(\"genApiKey\");\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查API设置后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    loadStudyProgress();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction openSettingsModal() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (apiKeyInput) {\n    apiKeyInput.value = localStorage.getItem(\"genApiKey\") || \"\";\n  }\n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.remove(\"hidden\");\n  }\n}\n\nfunction closeSettingsModal() { \n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.add(\"hidden\");\n  }\n}\n\nfunction saveApiKey() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (!apiKeyInput) return;\n  \n  const key = apiKeyInput.value.trim();\n  if (!key.startsWith(\"sk-\")) {\n    showToast(\"Key 格式不正确\");\n    return;\n  }\n  \n  localStorage.setItem(\"genApiKey\", key);\n  closeSettingsModal();\n  showToast(\"API Key 已保存\");\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nstartSession();\n"}, "b69a32f569ed2369842ee7b672e227c6d5ad497b": {"t": 1785764312.9353216, "n": 15840, "h": "7a2aaf654d6924e0", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\n\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\nconst savedGenKey = localStorage.getItem(\"genApiKey\");\nif (!savedGenKey) {\n  showToast('未配置生成 API Key，请先点 \"API设置\"');\n}\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\nfunction renderWord() {\n  if (!currentWord) return;\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n  \n  if (!primary || !meta || !meaning || !example || !root || !memoryMethodInput) return;\n  \n  expanded = false;\n  document.getElementById(\"card\").classList.remove(\"expanded\");\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\nconst modeRenderConfig = {\n  [studyModes.EN_TO_CN]: {\n    primary: () => currentWord.word || \"-\",\n    meta: () => `${currentWord.IPA ?? \"\"} ${currentWord.pos ?? \"\"}`.trim(),\n    meaning: () => currentWord.meaning || \"暂无释义\",\n    example: () => currentWord.example?.trim() ? `例句: ${currentWord.example}` : \"例句: 暂无\"\n  },\n  // 反向模式\n  [studyModes.CN_TO_EN]: {\n    primary: () => currentWord.meaning || \"暂无释义\",\n    meta: () => \"先回忆英文，再点击查看\",\n    meaning: () => `${currentWord.word || \"-\"} ${currentWord.IPA ?? \"\"}`.trim(),\n    example: () => currentWord.pos ? `词性: ${currentWord.pos}` : \"词性: 暂无\"\n  }\n};\n\n// 公共逻辑（和模式无关，抽离出来，只写一次）\nconst memory = currentWord.memorymethod || currentWord.root || \"\";\nroot.textContent = memory ? `词根词缀: ${memory}` : \"词根词缀: 预留\";\nmemoryMethodInput.value = currentWord.memorymethod || \"\";\n\n// 根据当前模式直接拿配置渲染\nconst renderRule = modeRenderConfig[currentMode];\nif (renderRule) {\n  primary.textContent = renderRule.primary();\n  meta.textContent = renderRule.meta();\n  meaning.textContent = renderRule.meaning();\n  example.textContent = renderRule.example();\n}\n\nupdateProgress();\n}\n\nfunction playAudio(event, slow = false) { \n  if (event) event.stopPropagation(); \n  if (!currentWord?.pronunciation) return alert(\"没有发音\"); \n  const a = new Audio(currentWord.pronunciation); \n  a.playbackRate = slow ? 0.75 : 1;\n  a.play();\n}\n\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\n  await saveWord(known ? 1 : 0);\n  await nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n  const genKey = localStorage.getItem(\"genApiKey\");\n\n  // 调试：看看有没有读到 key\n  console.log(\"读取到 genKey:\", genKey);\n\n  if (!genKey) {\n    throw new Error(\"缺少API key\");\n  }\n\n  const wordPairs = words\n    .map(w => `${w.word}: ${w.meaning}`)\n    .join(\"\\n\");\n\n  const prompt = `\n请用以下10个英语单词写一个120词以内自然短文，要求：\n1. 必须包含所有单词\n2. 每个单词只出现一次\n3. 只返回 JSON 格式：\n{\"passage\":\"短文内容\"}\n\n单词列表：\n${wordPairs}\n`;\n\n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: {\n      \"Content-Type\": \"application/json\",\n      Authorization: `Bearer ${genKey}`\n    },\n    body: JSON.stringify({\n      model: CHEAP_MODEL,\n      temperature: 0.4,\n      messages: [\n        {\n          role: \"system\",\n          content: \"You are a concise English writing assistant.\"\n        },\n        {\n          role: \"user\",\n          content: prompt\n        }\n      ]\n    })\n  });\n\n  if (!res.ok) {\n    throw new Error(\"短文生成失败\");\n  }\n\n  const data = await res.json();\n\n  let raw =\n    data.choices?.[0]?.message?.content?.trim() || \"{}\";\n\n  // 修复：去掉 ```json ``` 包裹\n  raw = raw\n    .replace(/^```json/, \"\")\n    .replace(/^```/, \"\")\n    .replace(/```$/, \"\")\n    .trim();\n\n  const parsed = JSON.parse(raw);\n\n  if (!parsed.passage) {\n    throw new Error(\"模型返回格式错误\");\n  }\n\n  return parsed.passage;\n}\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查API设置后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction openSettingsModal() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (apiKeyInput) {\n    apiKeyInput.value = localStorage.getItem(\"genApiKey\") || \"\";\n  }\n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.remove(\"hidden\");\n  }\n}\n\nfunction closeSettingsModal() { \n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.add(\"hidden\");\n  }\n}\n\nfunction saveApiKey() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (!apiKeyInput) return;\n  \n  const key = apiKeyInput.value.trim();\n  if (!key.startsWith(\"sk-\")) {\n    showToast(\"Key 格式不正确\");\n    return;\n  }\n  \n  localStorage.setItem(\"genApiKey\", key);\n  closeSettingsModal();\n  showToast(\"API Key 已保存\");\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nstartSession();\n"}, "1ce3b493f69be45949c556548508b5a9cd5579f4": {"t": 1785764315.3007421, "n": 15594, "h": "9f1d809c16ac2635", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\n\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\nconst savedGenKey = localStorage.getItem(\"genApiKey\");\nif (!savedGenKey) {\n  showToast('未配置生成 API Key，请先点 \"API设置\"');\n}\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) {\n  // 点击按钮、输入框、文本域时，不触发展开/收起\n  if (\n    event.target.closest(\"button\") ||\n    event.target.closest(\"input\") ||\n    event.target.closest(\"textarea\")\n  ) {\n    return;\n  }\n\n  expanded = !expanded;\n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded);\n}\n\nfunction renderWord() {\n  if (!currentWord) return;\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n  \n  if (!primary || !meta || !meaning || !example || !root || !memoryMethodInput) return;\n  \n  expanded = false;\n  document.getElementById(\"card\").classList.remove(\"expanded\");\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\nconst modeRenderConfig = {\n  [studyModes.EN_TO_CN]: {\n    primary: () => currentWord.word || \"-\",\n    meta: () => `${currentWord.IPA ?? \"\"} ${currentWord.pos ?? \"\"}`.trim(),\n    meaning: () => currentWord.meaning || \"暂无释义\",\n    example: () => currentWord.example?.trim() ? `例句: ${currentWord.example}` : \"例句: 暂无\"\n  },\n  // 反向模式\n  [studyModes.CN_TO_EN]: {\n    primary: () => currentWord.meaning || \"暂无释义\",\n    meta: () => \"先回忆英文，再点击查看\",\n    meaning: () => `${currentWord.word || \"-\"} ${currentWord.IPA ?? \"\"}`.trim(),\n    example: () => currentWord.pos ? `词性: ${currentWord.pos}` : \"词性: 暂无\"\n  }\n};\n\n// 公共逻辑（和模式无关，抽离出来，只写一次）\nconst memory = currentWord.memorymethod || currentWord.root || \"\";\nroot.textContent = memory ? `词根词缀: ${memory}` : \"词根词缀: 预留\";\nmemoryMethodInput.value = currentWord.memorymethod || \"\";\n\n// 根据当前模式直接拿配置渲染\nconst renderRule = modeRenderConfig[currentMode];\nif (renderRule) {\n  primary.textContent = renderRule.primary();\n  meta.textContent = renderRule.meta();\n  meaning.textContent = renderRule.meaning();\n  example.textContent = renderRule.example();\n}\n\nupdateProgress();\n}\n\nfunction playAudio(event, slow = false) { \n  if (event) event.stopPropagation(); \n  if (!currentWord?.pronunciation) return alert(\"没有发音\"); \n  const a = new Audio(currentWord.pronunciation); \n  a.playbackRate = slow ? 0.75 : 1;\n  a.play();\n}\n\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\n  await saveWord(known ? 1 : 0);\n  await nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n  const genKey = localStorage.getItem(\"genApiKey\");\n  if (!genKey) throw new Error(\"缺少API key\");\n  const wordPairs = words.map(w => `${w.word}: ${w.meaning}`).join(\"\\n\");\n  const prompt = `请用以下10个英语单词写一个120词以内自然短文，要求：\\n1) 必须包含所有单词且每个只出现一次\\n2) 仅返回 JSON 格式 {\\\"passage\\\":\\\"...\\\"}\\n单词列表:\\n${wordPairs}`;\n  \n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: { \"Content-Type\": \"application/json\", Authorization: `Bearer ${genKey}` },\n    body: JSON.stringify({ model: CHEAP_MODEL, temperature: 0.4, messages: [{ role: \"system\", content: \"You are a concise English writing assistant.\" }, { role: \"user\", content: prompt }] })\n  });\n  \n  if (!res.ok) throw new Error(\"短文生成失败\");\n  const data = await res.json();\n  const raw = data.choices?.[0]?.message?.content?.trim() || \"{}\";\n  let parsed;\n  try {\n    parsed = JSON.parse(raw);\n  } catch (e) {\n    throw new Error(\"模型返回格式错误\");\n  }\n  if (!parsed.passage || typeof parsed.passage !== \"string\") throw new Error(\"模型返回格式错误\");\n  return parsed.passage;\n}\n\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查API设置后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction openSettingsModal() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (apiKeyInput) {\n    apiKeyInput.value = localStorage.getItem(\"genApiKey\") || \"\";\n  }\n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.remove(\"hidden\");\n  }\n}\n\nfunction closeSettingsModal() { \n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.add(\"hidden\");\n  }\n}\n\nfunction saveApiKey() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (!apiKeyInput) return;\n  \n  const key = apiKeyInput.value.trim();\n  if (!key.startsWith(\"sk-\")) {\n    showToast(\"Key 格式不正确\");\n    return;\n  }\n  \n  localStorage.setItem(\"genApiKey\", key);\n  closeSettingsModal();\n  showToast(\"API Key 已保存\");\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nstartSession();\n"}, "7f6ca8651872a1a54ed187ff093d021c468e2ad0": {"t": 1785764316.7708464, "n": 15474, "h": "07a9f8ef9c20899f", "c": "const APP_ID = \"1f1dcb2717bc41a2d196167508f83458\";\nconst APP_KEY = \"2efd06f7769a606544357909a7503793\";\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\n\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\nconst savedGenKey = localStorage.getItem(\"genApiKey\");\nif (!savedGenKey) {\n  showToast('未配置生成 API Key，请先点 \"API设置\"');\n}\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) { \n  if (event.target.closest(\"button\")) return; \n  expanded = !expanded; \n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded); \n}\n\nfunction renderWord() {\n  if (!currentWord) return;\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n  \n  if (!primary || !meta || !meaning || !example || !root || !memoryMethodInput) return;\n  \n  expanded = false;\n  document.getElementById(\"card\").classList.remove(\"expanded\");\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\nconst modeRenderConfig = {\n  [studyModes.EN_TO_CN]: {\n    primary: () => currentWord.word || \"-\",\n    meta: () => `${currentWord.IPA ?? \"\"} ${currentWord.pos ?? \"\"}`.trim(),\n    meaning: () => currentWord.meaning || \"暂无释义\",\n    example: () => currentWord.example?.trim() ? `例句: ${currentWord.example}` : \"例句: 暂无\"\n  },\n  // 反向模式\n  [studyModes.CN_TO_EN]: {\n    primary: () => currentWord.meaning || \"暂无释义\",\n    meta: () => \"先回忆英文，再点击查看\",\n    meaning: () => `${currentWord.word || \"-\"} ${currentWord.IPA ?? \"\"}`.trim(),\n    example: () => currentWord.pos ? `词性: ${currentWord.pos}` : \"词性: 暂无\"\n  }\n};\n\n// 公共逻辑（和模式无关，抽离出来，只写一次）\nconst memory = currentWord.memorymethod || currentWord.root || \"\";\nroot.textContent = memory ? `词根词缀: ${memory}` : \"词根词缀: 预留\";\nmemoryMethodInput.value = currentWord.memorymethod || \"\";\n\n// 根据当前模式直接拿配置渲染\nconst renderRule = modeRenderConfig[currentMode];\nif (renderRule) {\n  primary.textContent = renderRule.primary();\n  meta.textContent = renderRule.meta();\n  meaning.textContent = renderRule.meaning();\n  example.textContent = renderRule.example();\n}\n\nupdateProgress();\n}\n\nfunction playAudio(event, slow = false) { \n  if (event) event.stopPropagation(); \n  if (!currentWord?.pronunciation) return alert(\"没有发音\"); \n  const a = new Audio(currentWord.pronunciation); \n  a.playbackRate = slow ? 0.75 : 1;\n  a.play();\n}\n\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\n  await saveWord(known ? 1 : 0);\n  await nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n  const genKey = localStorage.getItem(\"genApiKey\");\n  if (!genKey) throw new Error(\"缺少API key\");\n  const wordPairs = words.map(w => `${w.word}: ${w.meaning}`).join(\"\\n\");\n  const prompt = `请用以下10个英语单词写一个120词以内自然短文，要求：\\n1) 必须包含所有单词且每个只出现一次\\n2) 仅返回 JSON 格式 {\\\"passage\\\":\\\"...\\\"}\\n单词列表:\\n${wordPairs}`;\n  \n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: { \"Content-Type\": \"application/json\", Authorization: `Bearer ${genKey}` },\n    body: JSON.stringify({ model: CHEAP_MODEL, temperature: 0.4, messages: [{ role: \"system\", content: \"You are a concise English writing assistant.\" }, { role: \"user\", content: prompt }] })\n  });\n  \n  if (!res.ok) throw new Error(\"短文生成失败\");\n  const data = await res.json();\n  const raw = data.choices?.[0]?.message?.content?.trim() || \"{}\";\n  let parsed;\n  try {\n    parsed = JSON.parse(raw);\n  } catch (e) {\n    throw new Error(\"模型返回格式错误\");\n  }\n  if (!parsed.passage || typeof parsed.passage !== \"string\") throw new Error(\"模型返回格式错误\");\n  return parsed.passage;\n}\n\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查API设置后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction openSettingsModal() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (apiKeyInput) {\n    apiKeyInput.value = localStorage.getItem(\"genApiKey\") || \"\";\n  }\n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.remove(\"hidden\");\n  }\n}\n\nfunction closeSettingsModal() { \n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.add(\"hidden\");\n  }\n}\n\nfunction saveApiKey() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (!apiKeyInput) return;\n  \n  const key = apiKeyInput.value.trim();\n  if (!key.startsWith(\"sk-\")) {\n    showToast(\"Key 格式不正确\");\n    return;\n  }\n  \n  localStorage.setItem(\"genApiKey\", key);\n  closeSettingsModal();\n  showToast(\"API Key 已保存\");\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nstartSession();\n"}, "3672c3f3d07530d863da93a273b3b70544172c6a": {"t": 1785764319.353579, "n": 15546, "h": "9942aa271df68b67", "c": "// 凭证应通过环境变量或后端API获取，不要在客户端硬编码\nconst APP_ID = localStorage.getItem(\"appId\") || \"\"; // 从localStorage获取\nconst APP_KEY = localStorage.getItem(\"appKey\") || \"\"; // 从localStorage获取\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\n\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\nconst savedGenKey = localStorage.getItem(\"genApiKey\");\nif (!savedGenKey) {\n  showToast('未配置生成 API Key，请先点 \"API设置\"');\n}\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) { \n  if (event.target.closest(\"button\")) return; \n  expanded = !expanded; \n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded); \n}\n\nfunction renderWord() {\n  if (!currentWord) return;\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n  \n  if (!primary || !meta || !meaning || !example || !root || !memoryMethodInput) return;\n  \n  expanded = false;\n  document.getElementById(\"card\").classList.remove(\"expanded\");\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\nconst modeRenderConfig = {\n  [studyModes.EN_TO_CN]: {\n    primary: () => currentWord.word || \"-\",\n    meta: () => `${currentWord.IPA ?? \"\"} ${currentWord.pos ?? \"\"}`.trim(),\n    meaning: () => currentWord.meaning || \"暂无释义\",\n    example: () => currentWord.example?.trim() ? `例句: ${currentWord.example}` : \"例句: 暂无\"\n  },\n  // 反向模式\n  [studyModes.CN_TO_EN]: {\n    primary: () => currentWord.meaning || \"暂无释义\",\n    meta: () => \"先回忆英文，再点击查看\",\n    meaning: () => `${currentWord.word || \"-\"} ${currentWord.IPA ?? \"\"}`.trim(),\n    example: () => currentWord.pos ? `词性: ${currentWord.pos}` : \"词性: 暂无\"\n  }\n};\n\n// 公共逻辑（和模式无关，抽离出来，只写一次）\nconst memory = currentWord.memorymethod || currentWord.root || \"\";\nroot.textContent = memory ? `词根词缀: ${memory}` : \"词根词缀: 预留\";\nmemoryMethodInput.value = currentWord.memorymethod || \"\";\n\n// 根据当前模式直接拿配置渲染\nconst renderRule = modeRenderConfig[currentMode];\nif (renderRule) {\n  primary.textContent = renderRule.primary();\n  meta.textContent = renderRule.meta();\n  meaning.textContent = renderRule.meaning();\n  example.textContent = renderRule.example();\n}\n\nupdateProgress();\n}\n\nfunction playAudio(event, slow = false) { \n  if (event) event.stopPropagation(); \n  if (!currentWord?.pronunciation) return alert(\"没有发音\"); \n  const a = new Audio(currentWord.pronunciation); \n  a.playbackRate = slow ? 0.75 : 1;\n  a.play();\n}\n\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\n  await saveWord(known ? 1 : 0);\n  await nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n  const genKey = localStorage.getItem(\"genApiKey\");\n  if (!genKey) throw new Error(\"缺少API key\");\n  const wordPairs = words.map(w => `${w.word}: ${w.meaning}`).join(\"\\n\");\n  const prompt = `请用以下10个英语单词写一个120词以内自然短文，要求：\\n1) 必须包含所有单词且每个只出现一次\\n2) 仅返回 JSON 格式 {\\\"passage\\\":\\\"...\\\"}\\n单词列表:\\n${wordPairs}`;\n  \n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: { \"Content-Type\": \"application/json\", Authorization: `Bearer ${genKey}` },\n    body: JSON.stringify({ model: CHEAP_MODEL, temperature: 0.4, messages: [{ role: \"system\", content: \"You are a concise English writing assistant.\" }, { role: \"user\", content: prompt }] })\n  });\n  \n  if (!res.ok) throw new Error(\"短文生成失败\");\n  const data = await res.json();\n  const raw = data.choices?.[0]?.message?.content?.trim() || \"{}\";\n  let parsed;\n  try {\n    parsed = JSON.parse(raw);\n  } catch (e) {\n    throw new Error(\"模型返回格式错误\");\n  }\n  if (!parsed.passage || typeof parsed.passage !== \"string\") throw new Error(\"模型返回格式错误\");\n  return parsed.passage;\n}\n\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查API设置后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction openSettingsModal() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (apiKeyInput) {\n    apiKeyInput.value = localStorage.getItem(\"genApiKey\") || \"\";\n  }\n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.remove(\"hidden\");\n  }\n}\n\nfunction closeSettingsModal() { \n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.add(\"hidden\");\n  }\n}\n\nfunction saveApiKey() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (!apiKeyInput) return;\n  \n  const key = apiKeyInput.value.trim();\n  if (!key.startsWith(\"sk-\")) {\n    showToast(\"Key 格式不正确\");\n    return;\n  }\n  \n  localStorage.setItem(\"genApiKey\", key);\n  closeSettingsModal();\n  showToast(\"API Key 已保存\");\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nstartSession();\n"}, "3d1f8d3e5f0a5433da61958c9bfc52763b7f42de": {"t": 1785764321.085976, "n": 15547, "h": "af8041ed5b878514", "c": "// 凭证应通过环境变量或后端API获取，不要在客户端硬编码\nconst APP_ID = localStorage.getItem(\"appId\") || \"\"; // 从localStorage获取\nconst APP_KEY = localStorage.getItem(\"appKey\") || \"\"; // 从localStorage获取\nconst BASE_URL = \"https://api.codenow.cn/1/classes\";\nconst GEN_BASE_URL = \"https://shiyunapi.com/v1\";\nconst CHEAP_MODEL = \"deepseek-chat\";\n\nconst headers = {\n  \"X-Bmob-Application-Id\": APP_ID,\n  \"X-Bmob-REST-API-Key\": APP_KEY,\n  \"Content-Type\": \"application/json\"\n};\n\nconst studyModes = { EN_TO_CN: \"en\", CN_TO_EN: \"cn\" };\nconst GROUP_SIZE = 10;\n\nlet currentWord = null;\nlet expanded = false;\nlet currentMode = studyModes.EN_TO_CN;\nlet currentIndex = 0;\nlet inWrongReview = false;\nlet pendingNextSession = false;\n\nconst state = { groupWords: [], wrongWords: [], todayDone: 0, todayNew: 0, phaseDone: 0, streak: 1 };\n\n// 修复：删除重复的userId赋值，只保留一次\nlet userId = localStorage.getItem(\"userId\");\nif (!userId) {\n  userId = (prompt(\"请输入用户名\") || \"\").trim().slice(0, 32) || `guest_${Date.now()}`;\n  localStorage.setItem(\"userId\", userId);\n}\n\nconst savedGenKey = localStorage.getItem(\"genApiKey\");\nif (!savedGenKey) {\n   showToast('未配置生成 API Key，请先点 \"API设置\"');\n}\n\nfunction showToast(message) {\n  const toast = document.getElementById(\"toast\");\n  if (!toast) return; // 安全检查\n  toast.textContent = message;\n  toast.classList.add(\"show\");\n  setTimeout(() => toast.classList.remove(\"show\"), 1800);\n}\n\nfunction escapeHtml(text = \"\") {\n  return String(text).replaceAll(\"&\", \"&amp;\").replaceAll(\"<\", \"&lt;\").replaceAll(\">\", \"&gt;\").replaceAll('\"', \"&quot;\").replaceAll(\"'\", \"&#39;\");\n}\n\nasync function getRandomWord() {\n  const skip = Math.floor(Math.random() * 120);\n  const res = await fetch(`${BASE_URL}/Words?limit=1&skip=${skip}`, { headers });\n  const data = await res.json();\n  return data.results?.[0] || null;\n}\n\nasync function getWordGroup(size = GROUP_SIZE) {\n  const map = new Map();\n  let tries = 0;\n  while (map.size < size && tries < size * 12) {\n    const w = await getRandomWord();\n    tries += 1;\n    if (w?.objectId && !map.has(w.objectId)) map.set(w.objectId, { ...w, known_en: false, known_cn: false, wrongCount: w.wrongCount || 0 });\n  }\n  return Array.from(map.values());\n}\n\nasync function saveWord(status) {\n  if (!currentWord) return;\n  const where = encodeURIComponent(JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId } }));\n  const findRes = await fetch(`${BASE_URL}/userwords?where=${where}`, { headers });\n  const findData = await findRes.json();\n  if (findData.results?.length) {\n    const record = findData.results[0];\n    await fetch(`${BASE_URL}/userwords/${record.objectId}`, { method: \"PUT\", headers, body: JSON.stringify({ status, reviewCount: (record.reviewCount || 0) + 1 }) });\n  } else {\n    await fetch(`${BASE_URL}/userwords`, { method: \"POST\", headers, body: JSON.stringify({ userId, wordId: { \"__type\": \"Pointer\", className: \"Words\", objectId: currentWord.objectId }, status, reviewCount: 1 }) });\n  }\n}\n\nfunction switchMode(mode) {\n  if (currentMode === mode || inWrongReview) return;\n  currentMode = mode;\n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === mode));\n  document.getElementById(\"segIndicator\").style.transform = mode === \"en\" ? \"translateX(0)\" : \"translateX(100%)\";\n  flipCard();\n  renderWord();\n}\n\nfunction flipCard() { \n  const card = document.getElementById(\"card\"); \n  if (!card) return;\n  card.classList.remove(\"flip\"); \n  void card.offsetWidth; \n  card.classList.add(\"flip\"); \n}\n\nfunction toggleExpand(event) { \n  if (event.target.closest(\"button\")) return; \n  expanded = !expanded; \n  document.getElementById(\"card\").classList.toggle(\"expanded\", expanded); \n}\n\nfunction renderWord() {\n  if (!currentWord) return;\n  const primary = document.getElementById(\"primary\");\n  const meta = document.getElementById(\"meta\");\n  const meaning = document.getElementById(\"meaning\");\n  const example = document.getElementById(\"example\");\n  const root = document.getElementById(\"root\");\n  const memoryMethodInput = document.getElementById(\"memoryMethodInput\");\n  \n  if (!primary || !meta || !meaning || !example || !root || !memoryMethodInput) return;\n  \n  expanded = false;\n  document.getElementById(\"card\").classList.remove(\"expanded\");\n  \n // 模式配置映射，把两种模式的渲染规则写死在这里\nconst modeRenderConfig = {\n  [studyModes.EN_TO_CN]: {\n    primary: () => currentWord.word || \"-\",\n    meta: () => `${currentWord.IPA ?? \"\"} ${currentWord.pos ?? \"\"}`.trim(),\n    meaning: () => currentWord.meaning || \"暂无释义\",\n    example: () => currentWord.example?.trim() ? `例句: ${currentWord.example}` : \"例句: 暂无\"\n  },\n  // 反向模式\n  [studyModes.CN_TO_EN]: {\n    primary: () => currentWord.meaning || \"暂无释义\",\n    meta: () => \"先回忆英文，再点击查看\",\n    meaning: () => `${currentWord.word || \"-\"} ${currentWord.IPA ?? \"\"}`.trim(),\n    example: () => currentWord.pos ? `词性: ${currentWord.pos}` : \"词性: 暂无\"\n  }\n};\n\n// 公共逻辑（和模式无关，抽离出来，只写一次）\nconst memory = currentWord.memorymethod || currentWord.root || \"\";\nroot.textContent = memory ? `词根词缀: ${memory}` : \"词根词缀: 预留\";\nmemoryMethodInput.value = currentWord.memorymethod || \"\";\n\n// 根据当前模式直接拿配置渲染\nconst renderRule = modeRenderConfig[currentMode];\nif (renderRule) {\n  primary.textContent = renderRule.primary();\n  meta.textContent = renderRule.meta();\n  meaning.textContent = renderRule.meaning();\n  example.textContent = renderRule.example();\n}\n\nupdateProgress();\n}\n\nfunction playAudio(event, slow = false) { \n  if (event) event.stopPropagation(); \n  if (!currentWord?.pronunciation) return alert(\"没有发音\"); \n  const a = new Audio(currentWord.pronunciation); \n  a.playbackRate = slow ? 0.75 : 1;\n  a.play();\n}\n\n// 修复：删除重复变量声明，保留一个清晰的赋值流程\nasync function saveMemoryMethod(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord?.objectId) return;\n  const input = document.getElementById(\"memoryMethodInput\");\n  if (!input) return;\n  const memorymethod = input.value.trim().slice(0, 300);\n  try {\n    await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, {\n      method: \"PUT\",\n      headers,\n      body: JSON.stringify({ memorymethod })\n    });\n    currentWord.memorymethod = memorymethod;\n   document.getElementById(\"root\").textContent =memorymethod ? `词根词缀: ${memorymethod}` : \"词根词缀: 预留\";\n    showToast(\"记忆法已保存\");\n  } catch (e) {\n    showToast(\"保存失败，请稍后重试\");\n  }\n}\n\nasync function handleKnow(known, event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  const key = currentMode === studyModes.EN_TO_CN ? \"known_en\" : \"known_cn\";\n  currentWord[key] = known;\n  if (!known) {\n    currentWord.wrongCount = (currentWord.wrongCount || 0) + 1;\n    if (!state.wrongWords.find(w => w.objectId === currentWord.objectId)) state.wrongWords.push(currentWord);\n  }\n  state.todayDone += 1;\n  state.phaseDone += 1;\n  await saveWord(known ? 1 : 0);\n  await nextWord();\n}\n\nasync function nextWord() {\n  currentIndex += 1;\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (currentIndex >= queue.length) {\n    if (inWrongReview) return openPassageTest(state.groupWords);\n    if (currentMode === studyModes.EN_TO_CN) { \n      currentMode = studyModes.CN_TO_EN; \n      currentIndex = 0; \n      state.phaseDone = 0; \n      switchMode(\"cn\"); \n      return; \n    }\n    if (state.wrongWords.length) { \n      inWrongReview = true; \n      currentIndex = 0; \n      showToast(`进入错词复习：${state.wrongWords.length} 个`); \n      currentWord = state.wrongWords[currentIndex]; \n      renderWord();\n      return;\n    }\n    return openPassageTest(state.groupWords);\n  }\n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\n// 修复：仅保留一个generatePassage函数，使用localStorage中的API Key\nasync function generatePassage(words) {\n  const genKey = localStorage.getItem(\"genApiKey\");\n  if (!genKey) throw new Error(\"缺少API key\");\n  const wordPairs = words.map(w => `${w.word}: ${w.meaning}`).join(\"\\n\");\n  const prompt = `请用以下10个英语单词写一个120词以内自然短文，要求：\\n1) 必须包含所有单词且每个只出现一次\\n2) 仅返回 JSON 格式 {\\\"passage\\\":\\\"...\\\"}\\n单词列表:\\n${wordPairs}`;\n  \n  const res = await fetch(`${GEN_BASE_URL}/chat/completions`, {\n    method: \"POST\",\n    headers: { \"Content-Type\": \"application/json\", Authorization: `Bearer ${genKey}` },\n    body: JSON.stringify({ model: CHEAP_MODEL, temperature: 0.4, messages: [{ role: \"system\", content: \"You are a concise English writing assistant.\" }, { role: \"user\", content: prompt }] })\n  });\n  \n  if (!res.ok) throw new Error(\"短文生成失败\");\n  const data = await res.json();\n  const raw = data.choices?.[0]?.message?.content?.trim() || \"{}\";\n  let parsed;\n  try {\n    parsed = JSON.parse(raw);\n  } catch (e) {\n    throw new Error(\"模型返回格式错误\");\n  }\n  if (!parsed.passage || typeof parsed.passage !== \"string\") throw new Error(\"模型返回格式错误\");\n  return parsed.passage;\n}\n\n// 修复：仅保留一个renderPassageWithHighlights函数，使用textContent避免XSS\nfunction renderPassageWithHighlights(passage, words) {\n  const dict = new Map(words.map(w => [String(w.word || \"\").toLowerCase(), w.meaning || \"暂无释义\"]));\n  const frag = document.createDocumentFragment();\n  const parts = String(passage || \"\").split(/(\\b)/);\n  \n  for (const p of parts) {\n    const key = p.toLowerCase().replace(/[^a-z'-]/gi, \"\");\n    if (dict.has(key)) {\n      const span = document.createElement(\"span\");\n      span.className = \"hl-word\";\n      span.textContent = p; // 使用textContent而非innerHTML避免XSS\n      const meaning = dict.get(key);\n      span.title = meaning; // 使用title属性作为提示\n      span.style.cursor = \"pointer\";\n      span.onclick = () => showToast(`${span.textContent}：${meaning}`);\n      frag.appendChild(span);\n    } else {\n      frag.appendChild(document.createTextNode(p));\n    }\n  }\n  \n  const box = document.getElementById(\"passageContent\");\n  if (box) {\n    box.textContent = \"\";\n    box.appendChild(frag);\n  }\n}\n\nasync function savePassage(minitext) {\n  await fetch(`${BASE_URL}/shortpassage`, { method: \"POST\", headers, body: JSON.stringify({ minitext, userId, score: Date.now() }) });\n}\n\n// 修复：修复错误处理，避免无限递归\nasync function openPassageTest(words) {\n  const passageModal = document.getElementById(\"passageModal\");\n  const passageContent = document.getElementById(\"passageContent\");\n  \n  if (!passageModal || !passageContent) return;\n  \n  passageModal.classList.remove(\"hidden\");\n  passageContent.textContent = \"短文生成中...\";\n  pendingNextSession = true;\n  \n  try {\n    const passage = await generatePassage(words);\n    await savePassage(passage);\n    renderPassageWithHighlights(passage, words);\n  } catch (e) {\n    passageContent.textContent = `短文生成失败：${e.message}。请检查API设置后再试。`;\n    // 移除递归调用以避免无限循环\n  }\n}\n\nfunction closePassageModal(startNext = false) {\n  const passageModal = document.getElementById(\"passageModal\");\n  if (passageModal) {\n    passageModal.classList.add(\"hidden\");\n  }\n  if (pendingNextSession && startNext) {\n    pendingNextSession = false;\n    startSession();\n  }\n}\n\nasync function openHistoryModal(event) {\n  if (event) event.stopPropagation();\n  const list = document.getElementById(\"historyList\");\n  if (!list) return;\n  \n  list.textContent = \"加载中...\";\n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.remove(\"hidden\");\n  }\n  \n  try {\n    const where = encodeURIComponent(JSON.stringify({ userId }));\n    const res = await fetch(`${BASE_URL}/shortpassage?where=${where}&order=-createdAt&limit=30`, { headers });\n    const data = await res.json();\n    const rows = data.results || [];\n    \n    list.textContent = \"\";\n    if (!rows.length) { \n      list.textContent = \"暂无历史短文\"; \n      return; \n    }\n    \n    rows.forEach(r => {\n      const item = document.createElement(\"div\");\n      item.className = \"history-item\";\n      const time = document.createElement(\"div\");\n      time.className = \"time\";\n      time.textContent = escapeHtml(r.createdAt || \"\"); // 使用textContent避免XSS\n      const text = document.createElement(\"div\");\n      text.textContent = escapeHtml(r.minitext || \"\"); // 使用textContent避免XSS\n      item.appendChild(time);\n      item.appendChild(text);\n      list.appendChild(item);\n    });\n  } catch (e) {\n    list.textContent = \"加载失败\";\n  }\n}\n\nfunction closeHistoryModal() { \n  const historyModal = document.getElementById(\"historyModal\");\n  if (historyModal) {\n    historyModal.classList.add(\"hidden\");\n  }\n}\n\nfunction openSettingsModal() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (apiKeyInput) {\n    apiKeyInput.value = localStorage.getItem(\"genApiKey\") || \"\";\n  }\n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.remove(\"hidden\");\n  }\n}\n\nfunction closeSettingsModal() { \n  const settingsModal = document.getElementById(\"settingsModal\");\n  if (settingsModal) {\n    settingsModal.classList.add(\"hidden\");\n  }\n}\n\nfunction saveApiKey() {\n  const apiKeyInput = document.getElementById(\"apiKeyInput\");\n  if (!apiKeyInput) return;\n  \n  const key = apiKeyInput.value.trim();\n  if (!key.startsWith(\"sk-\")) {\n    showToast(\"Key 格式不正确\");\n    return;\n  }\n  \n  localStorage.setItem(\"genApiKey\", key);\n  closeSettingsModal();\n  showToast(\"API Key 已保存\");\n}\n\nfunction updateProgress() {\n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  const done = Math.min(state.phaseDone, queue.length);\n  const pct = queue.length ? (done / queue.length) * 100 : 0;\n  const phase = inWrongReview ? \"错词复习\" : (currentMode === \"en\" ? \"第一阶段 英→中\" : \"第二阶段 中→英\");\n  \n  const progressText = document.getElementById(\"progressText\");\n  const progressBar = document.getElementById(\"progressBar\");\n  const sNew = document.getElementById(\"sNew\");\n  const sDone = document.getElementById(\"sDone\");\n  const sLeft = document.getElementById(\"sLeft\");\n  const sStreak = document.getElementById(\"sStreak\");\n  \n  if (progressText) progressText.textContent = `${phase} · ${Math.min(currentIndex + 1, queue.length)}/${queue.length}`;\n  if (progressBar) progressBar.style.width = `${pct}%`;\n  if (sNew) sNew.textContent = state.todayNew;\n  if (sDone) sDone.textContent = state.todayDone;\n  if (sLeft) sLeft.textContent = Math.max(0, (GROUP_SIZE * 2) - state.todayDone);\n  if (sStreak) sStreak.textContent = `${state.streak} 天`;\n}\n\nasync function deleteWord(event) {\n  if (event) event.stopPropagation();\n  if (!currentWord) return;\n  if (!confirm(`确定删除单词：${currentWord.word} 吗？`)) return;\n  \n  await fetch(`${BASE_URL}/Words/${currentWord.objectId}`, { method: \"DELETE\", headers });\n  state.groupWords = state.groupWords.filter(w => w.objectId !== currentWord.objectId);\n  state.wrongWords = state.wrongWords.filter(w => w.objectId !== currentWord.objectId);\n  \n  const queue = inWrongReview ? state.wrongWords : state.groupWords;\n  if (!queue.length) return startSession();\n  if (currentIndex >= queue.length) currentIndex = queue.length - 1;\n  \n  currentWord = queue[currentIndex];\n  renderWord();\n}\n\nasync function startSession() {\n  state.groupWords = await getWordGroup(GROUP_SIZE);\n  state.wrongWords = [];\n  currentMode = studyModes.EN_TO_CN;\n  inWrongReview = false;\n  currentIndex = 0;\n  state.todayNew += state.groupWords.length;\n  state.phaseDone = 0;\n  \n  const segIndicator = document.getElementById(\"segIndicator\");\n  if (segIndicator) {\n    segIndicator.style.transform = \"translateX(0)\";\n  }\n  \n  document.querySelectorAll(\".seg-btn\").forEach(btn => btn.classList.toggle(\"active\", btn.dataset.mode === \"en\"));\n  \n  currentWord = state.groupWords[0] || null;\n  \n  const progressText = document.getElementById(\"progressText\");\n  if (!currentWord) { \n    if (progressText) {\n      progressText.textContent = \"词库不足，请先补充单词\";\n    }\n    return; \n  }\n  \n  renderWord();\n}\n\nstartSession();\n"}}}}