Removes the minimize/restore system entirely (scenes make it redundant)
and merges the top-level SceneTabs into a single inline bottom bar that
renders inside the layout's bottom-stack.
Chrome tab-group style: active scene shows its app tabs inline after it,
inactive scenes appear as compact pills. App tabs show module icons
instead of color dots, no fullscreen/close buttons (use context menu).
Architecture:
- New bottomBarStore (svelte $state) lets pages inject a component into
the layout's bottom-stack without a Svelte slot mechanism
- SceneAppBar component extracted for clean separation
- PageCarousel stripped to pure carousel (no scene/bar responsibilities)
- bottomChromeHeight accounts for the bar when present (+36px)
Removed: minimized field from WorkbenchSceneApp/CarouselPage, Minus
button from PageShell, minimizeApp/restoreApp from store, onMinimize/
onRestore from context menu builder, SceneTabs component usage.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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