- Add EventPublisher interface in biz layer for domain event publishing
- Wire EventBusPublisher (Watermill EventBus adapter) into FileUsecase, FolderUsecase, ShareUsecase
- Publish events after UploadFile, DeleteFile, CreateFolder, DeleteFolder, CreateShare
- Implement CQRSHandler with logging event handlers for all 6 event types
- Register event handlers via CQRSBus.RegisterHandlers using Watermill EventProcessor
- Store subscriber and wmLogger in CQRSBus for EventProcessor wiring
- Expose SqlDB() on Data struct for Watermill SQL pub/sub
- Start Watermill router in goroutine alongside Kratos app with graceful close
- Use appContext wrapper struct to pass CQRSBus through Wire DI graph
Add HS256 JWT authentication to both HTTP and gRPC servers using
Kratos jwt middleware with selector to skip auth for public share
endpoints (GetShareInfo, DownloadShare). Wire DI updated to inject
conf.Auth into server constructors.