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/service/admin_post_service.go

@@ -34,13 +34,13 @@ type AdminPostService interface {
 
 // adminPostServiceImpl 管理端帖子服务实现
 type adminPostServiceImpl struct {
-	postRepo   *repository.PostRepository
+	postRepo   repository.PostRepository
 	cache      cache.Cache
 	logService *LogService
 }
 
 // NewAdminPostService 创建管理端帖子服务
-func NewAdminPostService(postRepo *repository.PostRepository, cacheBackend cache.Cache) AdminPostService {
+func NewAdminPostService(postRepo repository.PostRepository, cacheBackend cache.Cache) AdminPostService {
 	return &adminPostServiceImpl{
 		postRepo:   postRepo,
 		cache:      cacheBackend,