- Migrate ContactBulkActions, ContactInputForm, ContactListHeader, ContactListItem, LargeIdenticonModal, and ContactsView to PlatformServiceMixin
- Add comprehensive deep linking support to CapacitorPlatformService and WebPlatformService
- Enhance PlatformService with new database operations and deep link handling
- Update service worker and documentation for migration progress
- Fix TypeScript type errors in util.ts and deepLinks.ts
- Streamline circular dependency analysis and migration tracking docs
- Removed all vestigial Dexie/USE_DEXIE_DB references from code and docs
- Centralized DB logic in PlatformServiceMixin; resolved logger/databaseUtil circular dependency
- Modularized SQL helpers (`$generateInsertStatement`, `$generateUpdateStatement`) and added unit tests
- Created/updated migration tracking docs and helper script for cross-machine progress
- Confirmed all lint/type checks and tests pass; ready for systematic file migration
