Add comprehensive accessibility support across shared packages:
- A11y store with contrast, colorblind mode, and reduce motion settings
- A11yQuickToggles and A11ySettings UI components
- PillNavigation and PillDropdown components in shared-ui
- Calendar app updates to integrate new theme/a11y features
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add unique background colors for each theme variant:
- Lume: warm cream/gold tint
- Nature: green tint in dark mode
- Stone: blue-gray tint in dark mode
- Ocean: blue tint in dark mode
- Create shared-theme-ui components:
- ThemeColorPreview: color circles preview component
- ThemeCard: individual theme card with status support
- ThemeGrid: responsive grid layout
- ThemePage: full page component with mode selector
- Integrate theme page in Chat app:
- Add /themes route with ThemePage component
- Add "🎨 Alle Themes" link to PillNavigation dropdown
- Add palette icon to shared-ui icon set
- Migrate Presi and Picture apps to shared-theme system
- Update semantic color usage across all apps
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>