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/results/kiro2/kiro-auth-token.json

@@ -0,0 +1,8 @@
+{
+  "accessToken": "aoaAAAAAGptpPMgtjOlfreItVk4RUFEDp9DCXo10Bx97d99P-tdIITA9Q1QKYY8ioXjNJsvQYZl8NbMbQs73G_B6ACkc0:MGUCMDMDICdO16FtQW/elFJFdWLQVebLE5SElkWlGDNwPXakbDoe+qpUoTDetveIE4yZ5QIxANakC4ooIgGKvMkHuoK04+Ewp5oXpjZ8DC30sySB5fDjy6vECUUC75PuCZpylDR85w",
+  "refreshToken": "aorAAAAAGq1c2UNqSL66V8livcTDvKMkwd87s_Zx7e9fWaGZ9cLudduGgBUhAS8tg517QoJ-Z6JIWjwjsyjb04cZcCkc0:MGQCMHIVfZj1X91EDI19gAYH/AG3UpcGYtXfyE4UFr4ZGL3G/bfiuaGkGU2HgfvJXntyXgIwYH26L8os5Fkv/oMKeKw0YzdRxq4COlCkH9x1P5GKP2hdxbZAnk6WW358ip8ht+K4",
+  "profileArn": "arn:aws:codewhisperer:us-east-1:699475941385:profile/EHGA3GRVQMUK",
+  "expiresAt": "2026-01-01T00:00:00.000Z",
+  "authMethod": "social",
+  "provider": "Google"
+}