* feat(monitoring): implement hierarchical monitoring for Author/Series/Book/Audiobook
- Add cascade logic: unmonitoring parent cascades to children
- Re-monitoring parent does not auto-monitor children (explicit control)
- EffectivelyMonitored computed from item AND all ancestors
- Database indexes for efficient cascade queries (migration 248)
- AuthorMonitoringChangedEvent and SeriesMonitoringChangedEvent
- EffectivelyMonitored field added to Book/Audiobook API resources
Closes#2🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* refactor(monitoring): reduce code duplication in HierarchicalMonitoringService
- Extract common ancestor check to IsAncestorUnmonitored helper
- Consolidate monitoring context retrieval to GetMonitoringContext
- Create generic UnmonitorEntities helper for cascade operations
- Reduce code from 302 to 233 lines while preserving all functionality
* ci(sonar): exclude intentional structural duplication from CPD
* ci(codeql): exclude user-controlled-bypass for monitoring cascade logic
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Co-authored-by: admin <admin@ardentleatherworks.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
* fix: SonarCloud null safety and struct comparison issues
- OsPath.cs: Remove ReferenceEquals checks on struct (always false)
- SkyHookProxy.cs: Add null-conditional operators for Credits.Cast/Crew
* fix: remaining React index-as-key issues and backend null safety
Frontend:
- Fix 8 remaining index-as-key violations using content-based keys
- ImportMovieSelectFolder.js: use errorMessage as key
- ImportMovieFooter.js: use errorMessage as key
- CustomFormat.js: use item.name as key
- AddSpecificationItem.js: use preset.name as key
- QualityProfileItems.js: use message as key
- QualityProfileFormatItems.js: use message as key
Backend (cherry-picked from batch-3):
- OsPath.cs: Remove ReferenceEquals on struct
- SkyHookProxy.cs: Add null-conditional for Credits
* refactor(notifications): consolidate GetPosterUrl to base class
* docs: add architectural decisions log
* fix(sonar): enable path traversal suppressions for media management app
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Co-authored-by: admin <admin@ardentleatherworks.com>