{
  "elapsed_seconds": 35,
  "total": 2,
  "done": 0,
  "failed": 2,
  "in_progress": 0,
  "songs": {
    "01_Unknown_20260326": {
      "step": "step0",
      "status": "failed",
      "time": "07:24:07"
    },
    "02_Unknown_20260326": {
      "step": "step0",
      "status": "failed",
      "time": "07:24:07"
    }
  }
}