{
  "elapsed_seconds": 375,
  "total": 1,
  "done": 0,
  "failed": 1,
  "in_progress": 0,
  "songs": {
    "01_七里香_磁带B面_20260417": {
      "step": "step3.5",
      "status": "failed",
      "time": "16:35:19"
    }
  }
}