feat(upload): integrate upload service for chat image validation and S3 uploads

- Added UploadService to handle image uploads and validation for chat messages.
- Updated ChatService and MessageService to utilize UploadService for validating image segments in messages.
- Enhanced wire generation to inject UploadService into relevant services.
- Introduced UploadImageBytes method in UploadService for uploading images directly from memory.
- Added TrustedPublicURLPrefix method in S3 Client for generating public URLs for uploaded images.

internal/wire/service.go

@@ -133,8 +133,9 @@ func ProvideMessageService(
 	db *gorm.DB,
 	messageRepo *repository.MessageRepository,
 	cacheBackend cache.Cache,
+	uploadService *service.UploadService,
 ) *service.MessageService {
-	return service.NewMessageService(db, messageRepo, cacheBackend)
+	return service.NewMessageService(db, messageRepo, cacheBackend, uploadService)
 }
 
 // ProvideNotificationService 提供通知服务
@@ -185,8 +186,9 @@ func ProvideChatService(
 	userRepo *repository.UserRepository,
 	sseHub *sse.Hub,
 	cacheBackend cache.Cache,
+	uploadService *service.UploadService,
 ) service.ChatService {
-	return service.NewChatService(db, messageRepo, userRepo, nil, sseHub, cacheBackend)
+	return service.NewChatService(db, messageRepo, userRepo, nil, sseHub, cacheBackend, uploadService)
 }
 
 // ProvideScheduleService 提供日程服务