{
  "seq": 43,
  "runId": "run_1",
  "conversationId": "cnv_1",
  "ts": "2026-09-29T10:00:01Z",
  "v": 1,
  "type": "agent.spawn",
  "payload": {
    "agentRun": "run_sub1",
    "name": "检索员",
    "task": "查法规"
  }
}