feat: major feature updates and cleanup

- Add Redis architecture implementation
- Update browser extension functionality
- Clean up deprecated files and documentation
- Enhance backend handlers for auth, messages, search
- Add new configuration options and settings
- Update Docker and deployment configurations

backend/models/models.go

@@ -49,6 +49,8 @@ func AutoMigrate() {
 		&AISummary{},
 		&AITaskSuggestion{},
 		&UserAISettings{},
+		&UserSearchSettings{},
+		&UserUpdateSettings{},
 		&AITagSuggestion{},
 		&AIContentGeneration{},
 		&AICodeReview{},