{
  "final_video_count": 9,
  "cover_count": 16,
  "subtitle_count": 9,
  "delivery_seconds_sum": 120.0,
  "unique_concept_timeline_seconds": 72,
  "raw_screen_seconds": 9.4,
  "raw_screen_frame_rate": "25/1",
  "browser_stage_seconds": 9.503,
  "record_in_to_out_seconds": 8.369,
  "template_app_latency_ms": 13,
  "latency_caveat": "local template access only; not AI inference or consumer speed benchmark",
  "download_matches_A01": true,
  "audio": {
    "sample_rate": 48000,
    "channels": 2,
    "seconds": 24.0,
    "peak_dbfs": -23.939384195704008,
    "rms_dbfs": -33.7385696485472,
    "clipped_samples": 0
  },
  "video_model_called": false,
  "video_model_generated_seconds": 0,
  "image_generation_cost": "Reused M2 and M4 images; no duplicated charge in video ledger",
  "cost_total": "unknown",
  "tests": "9 ffprobe sizes/durations/fps/codecs; 16 cover sizes; 9 SRT; no audio clipping; source/download hashes; sampled frames visually inspected"
}