fix: 后端代码格式化

backend/src/main/java/com/openisle/dto/UserAggregateDto.java

@@ -1,13 +1,13 @@
 package com.openisle.dto;
 
-import lombok.Data;
-
 import java.util.List;
+import lombok.Data;
 
 /** Aggregated user data including posts and replies. */
 @Data
 public class UserAggregateDto {
-    private UserDto user;
-    private List<PostMetaDto> posts;
-    private List<CommentInfoDto> replies;
+
+  private UserDto user;
+  private List<PostMetaDto> posts;
+  private List<CommentInfoDto> replies;
 }