{
  "task_id": "task-1920",
  "timestamp": "2026-04-17T05:54:45",
  "fail_reasons": [
    "file_existence: # not found",
    "file_existence: 1 not found",
    "file_existence: 2 not found",
    "file_existence: 3 not found",
    "file_existence: 4 not found",
    "file_existence: 5 not found",
    "file_existence: 6 not found",
    "file_existence: 7 not found",
    "file_existence: 8 not found",
    "file_existence: 9 not found",
    "file_existence: 10 not found"
  ]
}