- Fix scheduler.go log.Printf calls to convert pgtype.UUID to string before formatting
- Fix ebook.go fmt.Printf calls to convert pgtype.UUID to string before formatting
- Add missing Enabled field to rate limiter config in security test
- Prevents format string errors when logging library IDs
This resolves compilation errors where pgtype.UUID was being formatted
with %s which expects a string, not a UUID struct.
- Add Worker service with configurable worker pool for async job processing
- Implement job queue with status tracking (pending, running, completed, failed, cancelled)
- Add Scheduler service for auto-scanning based on user scan settings
- Check scan settings every 5 minutes and schedule background scan jobs
- Support multiple libraries with individual scan frequencies (15-1440 minutes)
john-okeefe