df-app-walkthroughlisted

# Dark Factory — Autonomous App Walkthrough ## Overview Produces a finished walkthrough video of a running web application without a person speaking, clicking, or editing. Everything runs locally: a neural text-to-speech voice, a headless browser, and ffmpeg. No recording SaaS, no upload, no API key — which is what makes it usable on software you are not allowed to screen-share to a third party. Four stages, each a script: ``` narration.json ──▶ build-narration ──▶ audio/*.wav + timing.json │ ▼ record-walkthrough ──▶ raw .webm + recorded-timeline.json │ ▼ assemble ──▶ walkthrough.mp4 ──▶ verify ``` This is a **producer** skill. Its natural upstream is a written demo script; its natural downstream is `df-video-intake` (which turns a video back into text) — the two are inverses and are useful in sequence when a recorded walkthrough must become requirements. ## When to use - "Record a walkthrough / demo / product tour of this app." - A written demo script exists and someone has to perform it, repeatedly, on every release. - A UI needs a narrated artefact for people who will never be given access to it. - Regression-by-eye: re-record on each release and compare. ## When not to use - You need a person's own voice and improvisation — re