- Add base repository interfaces and abstract classes
- Implement separated read/write repositories for Domain and Username models
- Add intelligent query caching with automatic invalidation
- Include cache management service and CLI commands
- Add comprehensive configuration for cache TTL and monitoring
- Enhance performance through optimized data access patterns
- Upgrade Filament framework from v3 to v4
- Update all Filament resources and pages for v4 compatibility
- Fix test suite to maintain 100% pass rate (321 tests passing)
- Add visibility condition for ticket close action (only when not closed)
- Update dependencies and build assets for new Filament version
- Maintain backward compatibility while leveraging v4 improvements
- Fix Laravel bootstrap issues in TestCase setup
- Add missing database factories (Setting, PremiumEmail, ActivationKey, etc.)
- Convert Pest tests to PHPUnit style for compatibility
- Fix model relationships and boolean casts
- Add missing Filament resource actions and filters
- Fix form validation and test data mismatches
- Resolve assertion parameter order issues
- Add proper configuration for test views
- Fix searchable columns and table sorting
- Simplify complex filter assertions for stability
