refactor: update repository interfaces and improve dependency injection

- Refactored repository structures to use interfaces instead of concrete types, enhancing flexibility and testability.
- Updated various repository methods to accept interfaces, allowing for better dependency management.
- Modified wire generation to accommodate new repository interfaces, ensuring proper service injection throughout the application.
- Enhanced handler methods to utilize DTOs for filtering and data handling, improving code clarity and maintainability.

internal/wire/handler.go

@@ -1,10 +1,8 @@
 package wire
 
 import (
-	"carrot_bbs/internal/cache"
 	"carrot_bbs/internal/handler"
 	"carrot_bbs/internal/pkg/sse"
-	"carrot_bbs/internal/repository"
 	"carrot_bbs/internal/service"
 
 	"github.com/google/wire"
@@ -101,10 +99,8 @@ func ProvideMessageHandler(
 // ProvideSystemMessageHandler 提供系统消息处理器
 func ProvideSystemMessageHandler(
 	systemMsgService service.SystemMessageService,
-	systemNotificationRepo *repository.SystemNotificationRepository,
-	cacheBackend cache.Cache,
 ) *handler.SystemMessageHandler {
-	return handler.NewSystemMessageHandler(systemMsgService, systemNotificationRepo, cacheBackend)
+	return handler.NewSystemMessageHandler(systemMsgService)
 }
 
 // ProvideGroupHandler 提供群组处理器