ralph-loop

Defined in hooks/hooks.json

{
  "Stop": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "${CLAUDE_PLUGIN_ROOT}/hooks/stop-hook.sh"
        }
      ]
    }
  ]
}

"Runs Python script on Stop event to block session exit until all design work is complete. Uses command hook with 5s timeout."