FaceTime-Call Ads with Grok Imagine 1.5

INTERNAL — Recoup staff tooling, gated by the recoup-internal keyword. Invoke ONLY when the request explicitly includes "recoup-internal" (e.g. "recoup-internal make a FaceTime ad"). Never use for customer-facing or artist requests. Produce a FaceTime-call-style ad — two people on a screen-recorded video call — where every talking-head clip is generated by Grok Imagine 1.5 on fal.ai speaking scripted dialogue verbatim, with native voice and lipsync (no TTS, no lipsync model). Use when the user wants a FaceTime call ad, a two-person conversation video, a Grok Imagine video, or an AI-talking-artist clip. Covers take structure around the 15s cap, the prompt grammar for word-…