Lukas
63da2daa53
Add scheduler service and comprehensive unit tests
- Created src/server/services/scheduler_service.py
* Interval-based background scheduler
* Automatic library rescans
* Conflict prevention (no concurrent scans)
* WebSocket event broadcasting
* Configuration reload support
* Graceful start/stop lifecycle
- Created tests/unit/test_scheduler_service.py
* 26 comprehensive tests all passing
* 100% test coverage of service logic
* Tests initialization, execution, conflicts, config, status
* Tests edge cases and error handling
- Updated docs/instructions.md
* Marked scheduler service task as completed
* Documented 26/26 passing tests