Prototype-to-Hero Handoff

Prototype-to-Hero Handoff treats text-to-video as a pre-visualization layer that feeds a paid finishing stage, not as a replacement for it. The model has two gates: a cheap render gate where prompts produce 5 to 15 second clips for moodboards, storyboard tests, and ad variant screening, and a finishing gate where human direction, brand review, and licensed music turn the winning frame into the hero asset. Agencies that skip the second gate trade retainer margin for volume; agencies that formalize it bill the render as discovery and the finish as production. The economics are concrete: a 15 second 2K clip with synced audio from a studio interface such as AIProductAds costs minutes of operator time, while a directed 30 second spot still carries day-rate crew and edit costs. The handoff is also a contract question. 105 of 175 AI tools changed monetization-relevant terms between June and October 2026, so the rights attached to a prototype render may not survive to the client deliverable.