Records reviewable browser videos — a cursor, click ring, and step captions drawn on the page, dead waits cut, H.264 mp4 out, a per-step timings file and contact sheet beside it — for a scripted scene list, a test runner's raw Playwright video, or a Chrome tab driven by another tool (recorded over the DevTools protocol). Triggers on "record this interaction", "screen recording", "make a video of", "/screencast".