{
  "project_id": "30052026-001-Mac-Dinh-Chi",
  "step": 9,
  "status": "completed",
  "endpoint": "http://192.168.1.104:8002/probe",
  "output_probe_json": "/data/video-pipeline/Youtube-Video-Maker/Project/30052026-001-Mac-Dinh-Chi/audio/master_audio_probe.json",
  "master_audio_path": "/data/video-pipeline/Youtube-Video-Maker/Project/30052026-001-Mac-Dinh-Chi/audio/master_narration.wav",
  "master_duration_sec": 564.95,
  "parts_count": 0,
  "notes": [
    "No part_XX.wav files found yet; only master audio was probed."
  ]
}