{
  "session_id": "sess-0ded973d",
  "client_ip": "43.255.104.142",
  "client_port": 35816,
  "case_id": "TC-V11-001",
  "mode": "record",
  "generated_at_header": "2026-06-17T18:45:00Z",
  "received_at": "2026-06-17T18:51:44.390078",
  "payload": {
    "case_id": "TC-V11-001",
    "generated_at": "2026-06-17T18:45:00Z",
    "name": "v1.1 对照",
    "user_instruct": "hello-v1.1",
    "assistant_expected": ""
  }
}