== seed on demo-video.mp4 (202.9s AI short film) ==
[seed] 202.9s / 30fps / 1680x720 → 检测 22 个切点，合并后 23 镜
[seed] 运动曲线 → track.json（1013 个采样点 @ 5Hz）
seed exit: 0
node:internal/modules/esm/get_format:185
  throw new ERR_UNKNOWN_FILE_EXTENSION(ext, filepath);
        ^

TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".py" for /private/tmp/reelbench-test/inspect_seed.py
    at Object.getFileProtocolModuleFormat [as file:] (node:internal/modules/esm/get_format:185:9)
    at defaultGetFormat (node:internal/modules/esm/get_format:211:36)
    at defaultLoadSync (node:internal/modules/esm/load:158:16)
    at #loadAndMaybeBlockOnLoaderThread (node:internal/modules/esm/loader:796:12)
    at #loadSync (node:internal/modules/esm/loader:816:49)
    at ModuleLoader.load (node:internal/modules/esm/loader:781:26)
    at ModuleLoader.loadAndTranslate (node:internal/modules/esm/loader:526:31)
    at #getOrCreateModuleJobAfterResolve (node:internal/modules/esm/loader:577:36)
    at afterResolve (node:internal/modules/esm/loader:625:52)
    at ModuleLoader.getOrCreateModuleJob (node:internal/modules/esm/loader:631:12) {
  code: 'ERR_UNKNOWN_FILE_EXTENSION'
}

Node.js v24.13.1
== frames (2 per shot) ==
[frames] 46 张 → frames/
frames exit: 0 ; count: 46
== contact sheet (a-frames, 4x6) ==
[sheet] sheets/sheet-a01.jpg（S01–S23，行优先）
sheet exit: 0 ; sheets: 1
== recut: split 63.5, merge at an existing boundary ==
merging at boundary: 2.97
[recut] 23 镜 → 23 镜（补 1 刀 / 并 1 刀）
recut exit: 0
after recut shots: 23
manualCuts: [63.5]
shot containing 63.5: S16 63.5 72.77 seconds: 9.27
  around merge: S05 37.33-45.63 note=
  around merge: S06 45.63-46.13 note=
  around merge: S07 46.13-46.73 note=
renumbering contiguous S01..S23: true
duration mismatches after recut: 0
== recut negative: merge at a non-boundary must fail loudly ==
non-boundary merge exit: 1 (expect 1)
--merge 45.97：这个时刻上没有镜头边界（容差 0.1 秒）
== video-sync plan on the 30s English demo ==
{
  "source": {
    "width": 1280,
    "height": 720
  },
  "portrait": false,
  "stack": "vstack",
  "video": {
    "width": 1280,
    "height": 720
  },
  "panel": {
    "width": 1280,
    "height": 576
  },
  "output": {
    "width": 1280,
    "height": 1296
  },
  "fps": 30,
  "crf": 20
}
plan exit: 0