{
  "updated_utc": "2026-05-25T02:00:21.870334Z",
  "current_step": 15,
  "status": "blocked_step_15_concat_needs_worker_concat_endpoint_or_local_ffmpeg",
  "details": "Steps 8-14 artifacts are present (master narration, ASR/subtitles/render plan, 8 rendered parts). Local host has no ffmpeg/ffprobe binary; approved worker probe 8002 has no concat endpoint; render 8015 has only /render-story-video. Need approved worker method to concat parts safely.",
  "counts": {
    "scene_images": 199,
    "scene_audio": 199,
    "render_parts": 8
  },
  "new_logs": [
    "logs/step15_preconcat_part_probes.json"
  ],
  "target_output": "output/main/24052026-001-Ly-Thuong-Kiet_main_parts_concat.mp4"
}