Add LLM key-hunter toolkit, vault, and skill

- tools/scripts/llm-key-hunter: GitHub leak hunting pipeline (hunt_*,
  pivot miner, two-layer verify/content caches, per-provider verification)
- usable_keys: verified key vault across 12 providers (deepseek, minimax,
  volcanoark, longcat, codingplan, zhipu free-tier, mimo, siliconflow, etc.)
- .grok/skills/llm-key-hunter: operator skill for the hunt/verify/vault flow
- NewAPI channel import scripts and CDP capture helpers
- Result verdict buckets (excluding multi-GB blob caches and dedup dumps)

tools/scripts/llm-key-hunter/usable_keys/xunfei/key_01_3c44a6c98e4bdc7645.txt

@@ -0,0 +1,8 @@
+PROVIDER : xunfei - iFlyTek Spark MaaS (讯飞)
+KEY      : 3c44a6c98e4bdc7645bf6d4111ad5bcf:N2I2MjQ4MGQwMTMzNTYwYjczMjhkYTIx
+DETAIL   : chat 200 OK (model=auto)
+SOURCE   : https://github.com/ArchitectPPN/Algorithm/blob/4d509369816d6128f71f18ab8f3c0dd4bfd9320d/PythonStudy/myagent/langchain/langchain_quickstart.py
+BASE_URL : https://maas-coding-api.cn-huabei-1.xf-yun.com/v2
+MODELS   : ['auto', 'xopkimik26']
+ANTHROPIC_URL: https://maas-coding-api.cn-huabei-1.xf-yun.com/anthropic
+VERIFIED : 2026-08-01 13:17 UTC

tools/scripts/llm-key-hunter/usable_keys/xunfei/key_02_7bd7e0cac4ec42cb86.txt

@@ -0,0 +1,8 @@
+PROVIDER : xunfei - iFlyTek Spark MaaS (讯飞)
+KEY      : 7bd7e0cac4ec42cb86bff1ce4a1f68e0:YjU4NGIxYTI0ZTI2YzhlMTgxY2ZmMGM0
+DETAIL   : chat 200 OK (model=auto)
+SOURCE   : https://github.com/jiehua1995/HMRT/blob/7a0581b718ba72e67439171f087b36b6c810a25f/opencode.json
+BASE_URL : https://maas-coding-api.cn-huabei-1.xf-yun.com/v2
+MODELS   : ['auto', 'xopkimik26']
+ANTHROPIC_URL: https://maas-coding-api.cn-huabei-1.xf-yun.com/anthropic
+VERIFIED : 2026-08-01 13:17 UTC

tools/scripts/llm-key-hunter/usable_keys/xunfei/key_03_826c86828e27232cee.txt

@@ -0,0 +1,8 @@
+PROVIDER : xunfei - iFlyTek Spark MaaS (讯飞)
+KEY      : 826c86828e27232ceeb497151c865615:NjEzZDk5MjgyNDdkZGZlOWQ4YzY3NDRk
+DETAIL   : chat 200 OK (model=auto)
+SOURCE   : https://github.com/zeguzy/vc-agent/blob/2a749e7746015ae2ef22c8c1162c566d9a225071/.openagent/config.json
+BASE_URL : https://maas-coding-api.cn-huabei-1.xf-yun.com/v2
+MODELS   : ['auto', 'xopkimik26']
+ANTHROPIC_URL: https://maas-coding-api.cn-huabei-1.xf-yun.com/anthropic
+VERIFIED : 2026-08-01 13:17 UTC

tools/scripts/llm-key-hunter/usable_keys/xunfei/keys.env

@@ -0,0 +1,11 @@
+# chat 200 OK (model=auto)
+# src: https://github.com/ArchitectPPN/Algorithm/blob/4d509369816d6128f71f18ab8f3c0dd4bfd9320d/PythonStudy/myagent/langchain/langchain_quickstart.py
+XUNFEI_API_KEY=3c44a6c98e4bdc7645bf6d4111ad5bcf:N2I2MjQ4MGQwMTMzNTYwYjczMjhkYTIx
+
+# chat 200 OK (model=auto)
+# src: https://github.com/jiehua1995/HMRT/blob/7a0581b718ba72e67439171f087b36b6c810a25f/opencode.json
+XUNFEI_API_KEY=7bd7e0cac4ec42cb86bff1ce4a1f68e0:YjU4NGIxYTI0ZTI2YzhlMTgxY2ZmMGM0
+
+# chat 200 OK (model=auto)
+# src: https://github.com/zeguzy/vc-agent/blob/2a749e7746015ae2ef22c8c1162c566d9a225071/.openagent/config.json
+XUNFEI_API_KEY=826c86828e27232ceeb497151c865615:NjEzZDk5MjgyNDdkZGZlOWQ4YzY3NDRk

tools/scripts/llm-key-hunter/usable_keys/xunfei/keys.json

@@ -0,0 +1,38 @@
+[
+  {
+    "key": "3c44a6c98e4bdc7645bf6d4111ad5bcf:N2I2MjQ4MGQwMTMzNTYwYjczMjhkYTIx",
+    "source": "https://github.com/ArchitectPPN/Algorithm/blob/4d509369816d6128f71f18ab8f3c0dd4bfd9320d/PythonStudy/myagent/langchain/langchain_quickstart.py",
+    "detail": "chat 200 OK (model=auto)",
+    "base_url": "https://maas-coding-api.cn-huabei-1.xf-yun.com/v2",
+    "anthropic_url": "https://maas-coding-api.cn-huabei-1.xf-yun.com/anthropic",
+    "models": [
+      "auto",
+      "xopkimik26"
+    ],
+    "auth": "Bearer"
+  },
+  {
+    "key": "7bd7e0cac4ec42cb86bff1ce4a1f68e0:YjU4NGIxYTI0ZTI2YzhlMTgxY2ZmMGM0",
+    "source": "https://github.com/jiehua1995/HMRT/blob/7a0581b718ba72e67439171f087b36b6c810a25f/opencode.json",
+    "detail": "chat 200 OK (model=auto)",
+    "base_url": "https://maas-coding-api.cn-huabei-1.xf-yun.com/v2",
+    "anthropic_url": "https://maas-coding-api.cn-huabei-1.xf-yun.com/anthropic",
+    "models": [
+      "auto",
+      "xopkimik26"
+    ],
+    "auth": "Bearer"
+  },
+  {
+    "key": "826c86828e27232ceeb497151c865615:NjEzZDk5MjgyNDdkZGZlOWQ4YzY3NDRk",
+    "source": "https://github.com/zeguzy/vc-agent/blob/2a749e7746015ae2ef22c8c1162c566d9a225071/.openagent/config.json",
+    "detail": "chat 200 OK (model=auto)",
+    "base_url": "https://maas-coding-api.cn-huabei-1.xf-yun.com/v2",
+    "anthropic_url": "https://maas-coding-api.cn-huabei-1.xf-yun.com/anthropic",
+    "models": [
+      "auto",
+      "xopkimik26"
+    ],
+    "auth": "Bearer"
+  }
+]