Frame review

You can't watch the film, but you can look at its frames, and you can measure it. A film is done when the evidence says it works, not when the encoder exits 0. Be a harsh motion director, not a proud author.

Copy scripts/smoke.mjs and scripts/check_sync.py from this skill's folder into the film's scripts/. The smoke test needs the film's render.mjs setup (Playwright); the sync check needs uv and ffmpeg.

The loop