{
  "project": "Video Insight Bundler",
  "evidence_scope": "Selected records from one demonstrated analysis, not a complete public software release.",
  "source_excerpt": {
    "source_file": "video_02.mp4",
    "original_start_seconds": 75,
    "original_end_seconds": 220,
    "duration_seconds": 145
  },
  "transcript_words": 260,
  "topic_segments": 7,
  "topic_method": "local_tfidf_deterministic",
  "pacing_example": {
    "clip_start_seconds": 112.32,
    "clip_end_seconds": 127.08,
    "transcript_words": 14,
    "words_per_minute": 56.91,
    "original_start_seconds": 187.32,
    "original_end_seconds": 202.08
  },
  "walkthrough": {
    "duration_seconds": 202,
    "narration": "Brian HQ / ElevenLabs",
    "sha256": "718624ff4fa790a9d722194b0b84b1afdb0e8ea06eaea726c8b72e80c7bc7048",
    "video": "/media/projects/video-insight-bundler-brian-hq.mp4",
    "captions": "/media/project-captions/video-insight-bundler.vtt"
  },
  "interpretation_boundaries": [
    "Pacing depends on transcript boundaries.",
    "Topic labels reflect surface terms.",
    "RMS energy measures sound level.",
    "Editorial tone proxies require interpretation.",
    "A person makes editorial decisions."
  ]
}