Replace hand-rolled async fetching (fetchFontsByIds + isRestoring flag)
with BatchFontStore backed by TanStack Query. Three reactive effects
handle batch sync, CSS font loading, and default-font fallback.
isLoading now derives from batchStore.isLoading + fontsReady.
- Deleted src/entities/Font/model/store/googleFontsStore.svelte.ts
- Deleted src/entities/Font/model/store/fontshareStore.svelte.ts
- Deleted src/entities/Font/model/services/fetchGoogleFonts.svelte.ts
- Deleted src/entities/Font/model/services/fetchFontshareFonts.svelte.ts
- Deleted src/entities/Font/model/services/index.ts
- Updated Font entity exports to remove deprecated stores
- Updated model index exports to remove deprecated services
- Updated store index to only export unified store
Phase 6/7: Proxy API Integration for GlyphDiff