feat: 添加日志管理和敏感词过滤功能

- 新增日志管理模块：操作日志、登录日志、数据变更日志
- 新增敏感词过滤器 (sanitizer)
- 新增日志异步写入管理器
- 新增日志定时清理服务
- 优化帖子相关服务和上传服务

internal/service/comment_service.go

@@ -21,6 +21,7 @@ type CommentService struct {
 	cache                cache.Cache
 	gorseClient          gorse.Client
 	postAIService        *PostAIService
+	logService           *LogService
 }
 
 // NewCommentService 创建评论服务
@@ -32,9 +33,15 @@ func NewCommentService(commentRepo *repository.CommentRepository, postRepo *repo
 		cache:                cacheBackend,
 		gorseClient:          gorseClient,
 		postAIService:        postAIService,
+		logService:           nil,
 	}
 }
 
+// SetLogService 设置日志服务
+func (s *CommentService) SetLogService(logService *LogService) {
+	s.logService = logService
+}
+
 // Create 创建评论
 func (s *CommentService) Create(ctx context.Context, postID, userID, content string, parentID *string, images string, imageURLs []string) (*model.Comment, error) {
 	if s.postAIService != nil {
@@ -75,6 +82,18 @@ func (s *CommentService) Create(ctx context.Context, postID, userID, content str
 		return nil, err
 	}
 
+	// 记录操作日志
+	if s.logService != nil {
+		s.logService.OperationLog.RecordOperation(&model.OperationLog{
+			UserID:     userID,
+			Operation:  string(model.OpCommentCreate),
+			Module:     "comment",
+			TargetType: "comment",
+			TargetID:   comment.ID,
+			Status:     "success",
+		})
+	}
+
 	// 重新查询以获取关联的 User
 	comment, err = s.commentRepo.GetByID(comment.ID)
 	if err != nil {