- Migrate all log.Printf/log.Println calls to structured zap logging
- Use cmp.Or for cleaner default value handling
- Replace manual loops with slices.ContainsFunc/IndexFunc
- Add batch query methods (IsLikedBatch, IsFavoritedBatch) to solve N+1 problem
- Update JSON tags from omitempty to omitzero for numeric fields
- Use errgroup-style wg.Go for worker goroutines
- Remove duplicate casbin/v2 dependency (keeping v3)
- Add plans/ to gitignore
- Introduced new logging services: operation logs, login logs, and data change logs.
- Added support for message content encryption in the Message model, including methods for encrypting and decrypting message segments.
- Updated router to include admin log handling and integrated log service for access logging.
- Modified configuration to support encryption settings.