Agent Demo Studio v0.3.0

Plan-first prompt-video, character animation, product launch, cartoon, story, ASMR, VFX, layered-audio, and Studio release. Every prompt workflow now writes requirements, creative direction, a timed storyboard, a complete resource/provenance list, production stages, assumptions, and QA gates before creating media.

Full Changelog: v0.2.0...v0.3.0