{
 "success": true,
 "data": [
  {
   "task_id": "sub_1_1788364427_985302",
   "status": "completed",
   "summary": "调研素材已充分（catmocha.jp 首页全文、% Arabica 官网案例、Blue Bottle 摄影语言、Meo",
   "conversation_id": "conv_20260902_235153_495",
   "created_at": 1788364.427
  },
  {
   "task_id": "sub_2_1788364429_91688a",
   "status": "completed",
   "summary": "已完成调研。基于 web_search + extract_webpage 的实时信息（Nippon Colors 传统",
   "conversation_id": "conv_20260902_235153_495",
   "created_at": 1788364.429
  },
  {
   "task_id": "sub_3_1788364431_74db3e",
   "status": "completed",
   "summary": "调研完成。已核实 Kitty Brew、NEKO、Cat Cafe San Diego、Coffee Cats、Orla",
   "conversation_id": "conv_20260902_235153_495",
   "created_at": 1788364.431
  },
  {
   "task_id": "sub_4_1788364765_5d6208",
   "status": "completed",
   "summary": "子智能体已被手动终止",
   "conversation_id": "conv_20260902_235153_495",
   "created_at": 1788364.765
  }
 ]
}