docs(studio): implementation plan — acdream UI Studio (8 staged tasks)
Bite-sized, gated build order: (1) RenderBootstrap [new code, no GameWindow
edit → zero game-regression risk], (2) StudioWindow + LayoutSource + ui-studio
subcommand, (3) ImGui inspector (canvas FBO + tree + props + click-inspect),
(4) FixtureProvider sample data, (5) live 3-D doll, (6) markup + hot-reload,
(7) editable props + write-back, (8) doll-camera sliders. Pure-logic units
(LayoutSource/FixtureProvider/MarkupWriteBack) unit-tested; GL/window tasks
visual-gated. Spec: docs/superpowers/specs/2026-06-25-ui-studio-previewer-design.md.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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