- Introduced automatic overlay opacity and gradient based on layer ID in BackgroundLayer component.
- Added disabled state to BackgroundUploader, preventing actions when disabled.
- Updated component CSS editor to handle disabled state, preventing changes when disabled.
- Modified Header and Layout components to manage background inheritance from the page layer.
- Improved Sidebar and Card components to respect background inheritance and layering.
- Refactored theme management to include default accent color and normalization functions.
- Enhanced AppearanceTab to manage accent color changes with debouncing and validation.
- Added UI feedback for inherited background layers in AppearanceTab.
Add image/video background support across 5 layout layers (page, sidebar,
header, card, dialog) with per-layer effect controls and custom CSS injection.
- IndexedDB asset store for blob persistence (idb)
- AssetStoreProvider for blob URL lifecycle management
- BackgroundLayer component with CSS effects and prefers-reduced-motion support
- useBackground hook with inherit logic
- BackgroundUploader with local file and remote URL support
- BackgroundEffectsControls and ComponentCSSEditor UI components
- Background settings integrated into AppearanceTab in settings.tsx
- Layout, Card, and Dialog integration via non-breaking wrapper components
