feat(data): 统一数据结构处理并优化音乐播放功能

- 添加 extractList 函数统一处理不同数据结构（list、records、items）
- 添加 extractPageData 函数标准化分页数据处理逻辑
- 修复音乐播放器移除播放列表项时的索引问题
- 优化播放列表清空时的音频暂停和状态重置
- 调整收藏按钮图标显示逻辑（实心星和空心星对调）
- 更新前端API调用路径 /user/profile 为 /user/current
- 修复后端收藏歌单查询的字段映射和排序问题
- 在主布局中引入 ArrowDown 图标用于下拉功能
- 改进用户中心头像上传的认证头构建方式
- 优化用户统计数据显示的数据提取逻辑

music-houduan/src/main/java/com/test/musichouduan/entity/UserCollectPlaylist.java

@@ -36,6 +36,6 @@ public class UserCollectPlaylist {
      * 收藏时间
      */
     @CreationTimestamp
-    @Column(name = "collect_time", nullable = false, updatable = false)
+    @Column(name = "create_time", nullable = false, updatable = false)
     private LocalDateTime createTime;
 }

music-houduan/src/main/java/com/test/musichouduan/repository/UserCollectPlaylistRepository.java

@@ -3,19 +3,15 @@ package com.test.musichouduan.repository;
 import com.test.musichouduan.entity.Playlist;
 import com.test.musichouduan.entity.User;
 import com.test.musichouduan.entity.UserCollectPlaylist;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import org.springframework.transaction.annotation.Transactional;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
-import org.springframework.data.jpa.repository.Modifying;
-import org.springframework.data.jpa.repository.Query;
-import org.springframework.data.repository.query.Param;
-import org.springframework.transaction.annotation.Transactional;
-import org.springframework.data.jpa.repository.Modifying;
-import org.springframework.data.jpa.repository.Query;
-import org.springframework.data.repository.query.Param;
-import org.springframework.transaction.annotation.Transactional;
 import java.util.Optional;
 
 /**
@@ -89,7 +85,7 @@ public interface UserCollectPlaylistRepository extends JpaRepository<UserCollect
 
     @Modifying
     @Transactional
-    @Query(value = "INSERT INTO user_collect_playlist (user_id, playlist_id, collect_time) VALUES (?1, ?2, NOW())", nativeQuery = true)
+    @Query(value = "INSERT INTO user_collect_playlist (user_id, playlist_id, create_time) VALUES (?1, ?2, NOW())", nativeQuery = true)
     void collectPlaylist(Long userId, Long playlistId);
 
     @Modifying
@@ -97,7 +93,10 @@ public interface UserCollectPlaylistRepository extends JpaRepository<UserCollect
     @Query(value = "DELETE FROM user_collect_playlist WHERE user_id = ?1 AND playlist_id = ?2", nativeQuery = true)
     void uncollectPlaylist(Long userId, Long playlistId);
 
-    @Query("SELECT ucp.playlist FROM UserCollectPlaylist ucp WHERE ucp.user.id = ?1")
+    @Query(
+            value = "SELECT ucp.playlist FROM UserCollectPlaylist ucp WHERE ucp.user.id = ?1 ORDER BY ucp.createTime DESC",
+            countQuery = "SELECT COUNT(ucp) FROM UserCollectPlaylist ucp WHERE ucp.user.id = ?1"
+    )
     Page<Playlist> findCollectedPlaylist(Long userId, Pageable pageable);
 
     Optional<UserCollectPlaylist> findByUserIdAndPlaylistId(Long userId, Long playlistId);

music-houduan/src/main/java/com/test/musichouduan/service/impl/PlaylistServiceImpl.java

@@ -483,11 +483,11 @@ public class PlaylistServiceImpl implements PlaylistService {
         // 获取当前登录用户
         Long userId = StpUtil.getLoginIdAsLong();
 
-        // 获取用户收藏的歌单
-        Page<Playlist> playlistPage = userCollectPlaylistRepository.findCollectedPlaylist(
-                userId,
-                PageRequest.of(page - 1, size, Sort.by(Sort.Direction.DESC, "createTime"))
-        );
+        // 获取用户收藏的歌单
+        Page<Playlist> playlistPage = userCollectPlaylistRepository.findCollectedPlaylist(
+                userId,
+                PageRequest.of(page - 1, size)
+        );
 
         // 转换为DTO
         List<PlaylistDTO> playlistDTOs = playlistPage.getContent().stream()