- Upgrade flutter_riverpod to 3.1.0, riverpod_annotation to 4.0.0
- Upgrade freezed to 3.2.3, freezed_annotation to 3.1.0
- Migrate freezed classes to use sealed keyword (freezed 3.x)
- Update provider naming (*NotifierProvider → *Provider)
- Add legacy.dart import for StateNotifierProvider compatibility
- Fix valueOrNull → value for AsyncValue
- Remove unused imports and fields
- Add sync from Authentik button to users/groups pages
- Suppress invalid_annotation_target warning in analysis_options
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
