[
  {
    "type": "tool",
    "tool": "task",
    "state": {
      "status": "completed",
      "input": {
        "prompt": "WORKTREE: /tmp/work\nDo something",
        "category": "quick",
        "subagent_type": "explore",
        "task_id": null
      },
      "metadata": {
        "sessionId": "ses_idle"
      }
    }
  }
]