Topic → 4K narrated video for coding agents. v5.3.0: local TTS (edge free + azure, no external engine), manifest-based Asset Engine, Remotion composition, cost-gated AI generation, Bilibili/YouTube/Xiaohongshu/Douyin/WeChat Channels

Claude Code skill for product launch motion design — make launch videos, promos and demo reels from code. HTML/CSS/GSAP compositions, word-locked voiceover sync, real camera moves, film grade, broadcast-loudness mastering. A director's discipline, not a template.

Turn your coding agent into a video studio: describe a video in plain language, and your agent writes the timeline and produces the file.