{
  "status": "failed_step2_subagent",
  "completed_steps": [],
  "errors": [
    {
      "step": "step2_subagent",
      "error": "api_error: step1_json_a.json not found",
      "time": "16:42:52"
    }
  ],
  "step2_subagent_retry": {
    "attempt": 1,
    "max_attempts": 2,
    "error_type": "api_error",
    "error": "step1_json_a.json not found",
    "next_retry_in_seconds": 10,
    "updated_at": "2026-04-17T16:42:42.330377+08:00"
  }
}