All grid/play/fullscreen submenu items are removed from every sidebar
(index, archive, settings, layout) — those controls now live in the live
grid footer. The sidebar becomes a narrow 72px rail and Live/Archive/Settings
render as 64x64 icon tiles (icon + small caption, active = inset red ring).
The layout.html gear (only link to /layout) is dropped with its submenu, so
the layout editor is now reachable by URL only.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
git_admin
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