Sidebar changes:
- Grouped nav items: Operations, Business, Community, Infrastructure, System
- Section labels with uppercase tracking
- Removed Deploy button from sidebar
- Cleaner layout with overflow scroll
About page (/admin/about):
- Console version, Node.js version, Arbiter uptime, module count
- Module registry with version and status badges (stable/new/beta)
- Deploy Arbiter button (moved from sidebar)
- Health check polling after deploy
- Credits footer
Header bar:
- Added ℹ️ About icon next to dark mode toggle
- Active state highlighting when on About page
Chronicler #78 | firefrost-services
bd783093a9