refactor: remove Gorse integration and implement HotRank feature

- Removed Gorse-related configurations, handlers, and dependencies from the codebase.
- Introduced HotRank feature with configuration options for ranking posts based on recent activity.
- Updated application structure to support HotRank processing, including new caching mechanisms and database interactions.
- Cleaned up related DTOs and repository methods to reflect the removal of Gorse and the addition of HotRank functionality.

internal/service/comment_service.go

@@ -8,7 +8,6 @@ import (
 	"carrot_bbs/internal/cache"
 	"carrot_bbs/internal/model"
 	"carrot_bbs/internal/pkg/cursor"
-	"carrot_bbs/internal/pkg/gorse"
 	"carrot_bbs/internal/pkg/hook"
 	"carrot_bbs/internal/repository"
 
@@ -20,19 +19,17 @@ type CommentService struct {
 	postRepo             *repository.PostRepository
 	systemMessageService SystemMessageService
 	cache                cache.Cache
-	gorseClient          gorse.Client
 	postAIService        *PostAIService
 	logService           *LogService
 	hookManager          *hook.Manager
 }
 
-func NewCommentService(commentRepo *repository.CommentRepository, postRepo *repository.PostRepository, systemMessageService SystemMessageService, gorseClient gorse.Client, postAIService *PostAIService, cacheBackend cache.Cache, hookManager *hook.Manager) *CommentService {
+func NewCommentService(commentRepo *repository.CommentRepository, postRepo *repository.PostRepository, systemMessageService SystemMessageService, postAIService *PostAIService, cacheBackend cache.Cache, hookManager *hook.Manager) *CommentService {
 	return &CommentService{
 		commentRepo:          commentRepo,
 		postRepo:             postRepo,
 		systemMessageService: systemMessageService,
 		cache:                cacheBackend,
-		gorseClient:          gorseClient,
 		postAIService:        postAIService,
 		logService:           nil,
 		hookManager:          hookManager,
@@ -225,16 +222,6 @@ func (s *CommentService) afterCommentPublished(userID, postID, commentID string,
 		}()
 	}
 
-	// 推送评论行为到Gorse（异步）
-	go func() {
-		if s.gorseClient.IsEnabled() {
-			if err := s.gorseClient.InsertFeedback(context.Background(), gorse.FeedbackTypeComment, userID, postID); err != nil {
-				zap.L().Warn("Failed to insert comment feedback to Gorse",
-					zap.Error(err),
-				)
-			}
-		}
-	}()
 }
 
 func (s *CommentService) notifyCommentModerationRejected(userID, reason string) {