feat(token): add batch API for fetching token keys

Add new endpoint POST /api/token/batch/keys to fetch multiple
token keys in a single request, improving performance when
exporting or copying multiple tokens.

- Backend: Add GetTokenKeysBatch controller and GetTokenKeysByIds model
- Backend: Add route with CriticalRateLimit and DisableCache middleware
- Frontend: Add fetchTokenKeysBatch helper function
- Frontend: Update useTokensData to use batch API for token export

web/src/helpers/token.js

@@ -33,6 +33,20 @@ export async function fetchTokenKey(tokenId) {
   return data.key;
 }
 
+/**
+ * 批量获取多个令牌的真实 key
+ * @param {number[]} tokenIds
+ * @returns {Promise<Record<number, string>>} 返回 {id: key} map，key 不带 sk- 前缀
+ */
+export async function fetchTokenKeysBatch(tokenIds) {
+  const response = await API.post('/api/token/batch/keys', { ids: tokenIds });
+  const { success, data, message } = response.data || {};
+  if (!success || !data?.keys) {
+    throw new Error(message || 'Failed to fetch token keys');
+  }
+  return data.keys;
+}
+
 /**
  * 获取可用的 token keys
  * @returns {Promise<string[]>} 返回 active 状态的不带 sk- 前缀的真实 token key 数组

web/src/hooks/tokens/useTokensData.jsx

@@ -31,6 +31,7 @@ import { ITEMS_PER_PAGE } from '../../constants';
 import { useTableCompactMode } from '../common/useTableCompactMode';
 import {
   fetchTokenKey as fetchTokenKeyById,
+  fetchTokenKeysBatch,
   getServerAddress,
   encodeChannelConnectionString,
 } from '../../helpers/token';
@@ -408,14 +409,17 @@ export const useTokensData = (openFluentNotification, openCCSwitchModal) => {
       return;
     }
     try {
-      const keys = await Promise.all(
-        selectedKeys.map((token) => fetchTokenKey(token, { suppressError: true })),
-      );
+      const ids = selectedKeys.map((token) => token.id);
+      const keysMap = await fetchTokenKeysBatch(ids);
+
+      setResolvedTokenKeys((prev) => ({ ...prev, ...keysMap }));
+
       let content = '';
-      for (let i = 0; i < selectedKeys.length; i++) {
-        const fullKey = keys[i];
+      for (const token of selectedKeys) {
+        const fullKey = keysMap[token.id];
+        if (!fullKey) continue;
         if (copyType === 'name+key') {
-          content += `${selectedKeys[i].name}    sk-${fullKey}\n`;
+          content += `${token.name}    sk-${fullKey}\n`;
         } else {
           content += `sk-${fullKey}\n`;
         }