{
  "timestamp": "2026-03-26T04:15:11.398Z",
  "convId": "task-T-mn6yk4pj",
  "task": "[TASK from wechatai:coo]",
  "status": "completed",
  "toolCount": 6,
  "durationSec": 64,
  "patterns": [
    "完成了 6 步工具调用的复杂任务 (64秒)"
  ],
  "lessons": [],
  "plan": null
}