- Add type-safe buildQueryString function to /utils
- Support primitives, arrays, and optional values
- Proper URL encoding for special characters
- Add comprehensive tests (25 test cases, all passing)
- Update Google Fonts API client to use shared utility
- Update Fontshare API client to use shared utility
- Export utility from /utils/index.ts
Benefits:
- DRY - Single source of truth for query string logic
- Type-safe - Proper TypeScript support with QueryParams type
- Tested - Comprehensive test coverage
- Maintainable - One place to fix bugs
- Rename fontCache.ts to collectionCache.ts
- Rename FontCacheManager interface to CollectionCacheManager
- Make implementation fully generic (already was, just renamed interface)
- Update exports in shared/fetch/index.ts
- Fix getStats() to return derived store value for accurate statistics
- Add comprehensive test coverage for collection cache manager
- 41 test cases covering all functionality
- Tests for caching, deduplication, state tracking
- Tests for statistics, reactivity, and edge cases
Closes task-1 of Phase 1 refactoring
