{
  "project_id": "26052026-001-Ngo-Quyen",
  "step": 9,
  "endpoint": "http://192.168.1.104:8002/probe",
  "source_of_truth": "worker_probe_duration",
  "master_audio_path": "/data/video-pipeline/Youtube-Video-Maker/Project/26052026-001-Ngo-Quyen/audio/master_narration.wav",
  "master_duration_sec": 697.52,
  "master_probe": {
    "audio_path": "/data/video-pipeline/Youtube-Video-Maker/Project/26052026-001-Ngo-Quyen/audio/master_narration.wav",
    "duration_sec": 697.52,
    "sample_rate": 22050,
    "channels": 1,
    "codec_name": "pcm_s16le",
    "format_name": "wav",
    "bit_rate": 352800,
    "size_bytes": 30760710,
    "raw_probe": {
      "streams": [
        {
          "index": 0,
          "codec_name": "pcm_s16le",
          "codec_long_name": "PCM signed 16-bit little-endian",
          "codec_type": "audio",
          "codec_tag_string": "[1][0][0][0]",
          "codec_tag": "0x0001",
          "sample_fmt": "s16",
          "sample_rate": "22050",
          "channels": 1,
          "bits_per_sample": 16,
          "r_frame_rate": "0/0",
          "avg_frame_rate": "0/0",
          "time_base": "1/22050",
          "duration_ts": 15380316,
          "duration": "697.520000",
          "bit_rate": "352800",
          "disposition": {
            "default": 0,
            "dub": 0,
            "original": 0,
            "comment": 0,
            "lyrics": 0,
            "karaoke": 0,
            "forced": 0,
            "hearing_impaired": 0,
            "visual_impaired": 0,
            "clean_effects": 0,
            "attached_pic": 0,
            "timed_thumbnails": 0,
            "captions": 0,
            "descriptions": 0,
            "metadata": 0,
            "dependent": 0,
            "still_image": 0
          }
        }
      ],
      "format": {
        "filename": "/data/video-pipeline/Youtube-Video-Maker/Project/26052026-001-Ngo-Quyen/audio/master_narration.wav",
        "nb_streams": 1,
        "nb_programs": 0,
        "format_name": "wav",
        "format_long_name": "WAV / WAVE (Waveform Audio)",
        "duration": "697.520000",
        "size": "30760710",
        "bit_rate": "352800",
        "probe_score": 99,
        "tags": {
          "encoder": "Lavf59.27.100"
        }
      }
    }
  },
  "timeline_path": "/data/video-pipeline/Youtube-Video-Maker/Project/26052026-001-Ngo-Quyen/audio/master_narration_timeline.json",
  "timeline_expected_duration_sec": 697.52,
  "timeline_vs_probe_diff_sec": 0.0,
  "parts": [],
  "notes": [
    "Master probe duration matches Step 8 timeline within 0.01s.",
    "No part_XX.wav files found yet; only master audio was probed."
  ]
}