Flowy: film (idea → blueprint → scenes → final video)

Direct, don't just generate: plan the whole film as a blueprint, execute it in strict phases, then assemble. Craft references: prompts → flowy-prompt-craft; shot design → flowy-cinematography; identity → flowy-continuity; audio → flowy-sound-design; assembly → flowy-compose + flowy-render.

Step 1 — write the blueprint

Fix a TOTAL duration with the user (a hard budget, never a target to exceed), then write: