- Add skills.ts to Claude adapter: ephemeral mode, listClaudeSkills/syncClaudeSkills - Add skills.ts to Codex adapter: ephemeral mode, listCodexSkills/syncCodexSkills - Add skills.ts to Gemini adapter: persistent mode with symlink sync, listGeminiSkills/syncGeminiSkills - Re-export skill functions from each adapter's server/index.ts