- Add comprehensive IndexedDB to SQLite migration service (1,397 lines)
- Create migration UI with progress tracking and validation (1,492 lines)
- Fix Electron TypeScript compilation and SQLite plugin issues
- Expand migration system with detailed documentation and error handling
- Add development guide and coding standards
Resolves: #electron-startup #database-migration #typescript-errors
Impact: Enables user-friendly database migration with full data verification
- Restore runMigrations functionality for database schema migrations
- Remove indexedDBMigrationService.ts (was for IndexedDB to SQLite migration)
- Recreate migrationService.ts and db-sql/migration.ts for schema management
- Add proper TypeScript error handling with type guards in AccountViewView
- Fix CreateAndSubmitClaimResult property access in QuickActionBvcBeginView
- Remove LeafletMouseEvent from Vue components array (it's a type, not component)
- Add null check for UserNameDialog callback to prevent undefined assignment
- Implement extractErrorMessage helper function for consistent error handling
- Update router to remove database-migration route
The migration system now properly handles database schema evolution
across app versions, while the IndexedDB to SQLite migration service
has been removed as it was specific to that one-time migration.