{
  "hooks": {
    "SessionStart": [
      {
        "matcher": "startup|clear|compact",
        "hooks": [
          {
            "type": "command",
            "command": "\"$HOME/.gemini/hooks/run-hook.cmd\" session-start",
            "async": false
          }
        ]
      }
    ],
    "BeforeTool": [
      {
        "matcher": "run_shell_command",
        "hooks": [
          {
            "name": "git-guardrails",
            "type": "command",
            "command": "GIT_GUARDRAILS_MODE=gemini \"$HOME/.gemini/hooks/before-tool-git-guard.sh\"",
            "timeout": 5000
          }
        ]
      },
      {
        "matcher": "run_shell_command",
        "hooks": [
          {
            "name": "rtk-rewrite",
            "type": "command",
            "command": "\"$HOME/.gemini/hooks/before-tool-rtk.sh\"",
            "timeout": 3000
          }
        ]
      }
    ]
  },
  "_comment": "Example only — Wave B install_gemini() merges into ~/.gemini/settings.json. Copy paths after install.sh symlinks hooks."
}