fix(音乐播放): 添加加载状态检查，防止播放状态被多次重置

在音乐播放相关方法中添加 isLoadingMusic 状态检查，防止重复点击导致的状态混乱。同时将播放操作改为异步并确保加载状态被正确重置。

lib/modules/agent/controllers/agent_controller.dart

@@ -1568,6 +1568,11 @@ class AgentController extends GetxController {
   Future<void> updateMusicProgress(int currentIdInternal, int newPosition,
       int newDuration, double newProgress) async {
     try {
+      // 如果正在加载音乐，避免进度回调干扰状态更新
+      if (isLoadingMusic.value) {
+        return;
+      }
+
       if (currentIdInternal != 0) {
         isPlaying.value = true;
         // return; // 如果没有在播放，直接返回

lib/modules/music/views/music_playlist_view.dart

@@ -228,8 +228,8 @@ class MusicPlaylistView extends StatelessWidget {
     };
 
     return GestureDetector(
-      onTap: () {
-        _playSelectedSong(controller, song, Get.arguments ?? []);
+      onTap: () async {
+        await _playSelectedSong(controller, song, Get.arguments ?? []);
       },
       child: Container(
         margin: EdgeInsets.only(bottom: 10.h),
@@ -512,7 +512,7 @@ class MusicPlaylistView extends StatelessWidget {
         mainAxisAlignment: MainAxisAlignment.center,
         children: [
           IconButton(
-            onPressed: () => _playPrevious(controller, playlist),
+            onPressed: () async => await _playPrevious(controller, playlist),
             iconSize: 32.w,
             padding: EdgeInsets.all(8.w), // 增大触摸区域
             icon: Icon(
@@ -548,7 +548,7 @@ class MusicPlaylistView extends StatelessWidget {
           ),
           SizedBox(width: 16.w),
           IconButton(
-            onPressed: () => _playNext(controller, playlist),
+            onPressed: () async => await _playNext(controller, playlist),
             iconSize: 32.w,
             padding: EdgeInsets.all(8.w), // 增大触摸区域
             icon: Icon(
@@ -580,26 +580,71 @@ class MusicPlaylistView extends StatelessWidget {
   }
 
   // 播放上一曲
-  void _playPrevious(
-      AgentController controller, List<Map<String, dynamic>> playlist) {
-    controller.updateCurrentPlaylistContext(
-        playlist, controller.currentId.value);
-    controller.playPrevious();
+  Future<void> _playPrevious(
+      AgentController controller, List<Map<String, dynamic>> playlist) async {
+    // 防止重复点击导致的状态混乱
+    if (controller.isLoadingMusic.value) {
+      return;
+    }
+
+    try {
+      // 设置加载状态，防止重复操作
+      controller.isLoadingMusic.value = true;
+
+      // 更新播放列表上下文
+      controller.updateCurrentPlaylistContext(
+          playlist, controller.currentId.value);
+
+      // 执行上一曲操作
+      await controller.playPrevious();
+    } finally {
+      // 确保加载状态被重置
+      controller.isLoadingMusic.value = false;
+    }
   }
 
   // 播放下一曲
-  void _playNext(
-      AgentController controller, List<Map<String, dynamic>> playlist) {
-    controller.updateCurrentPlaylistContext(
-        playlist, controller.currentId.value);
-    controller.playNext();
+  Future<void> _playNext(
+      AgentController controller, List<Map<String, dynamic>> playlist) async {
+    // 防止重复点击导致的状态混乱
+    if (controller.isLoadingMusic.value) {
+      return;
+    }
+
+    try {
+      // 设置加载状态，防止重复操作
+      controller.isLoadingMusic.value = true;
+
+      // 更新播放列表上下文
+      controller.updateCurrentPlaylistContext(
+          playlist, controller.currentId.value);
+
+      // 执行下一曲操作
+      await controller.playNext();
+    } finally {
+      // 确保加载状态被重置
+      controller.isLoadingMusic.value = false;
+    }
   }
 
   // 播放选中的歌曲
-  void _playSelectedSong(AgentController controller, Map<String, dynamic> song,
-      List<Map<String, dynamic>> playlist) {
-    final songId = song['id'] ?? 0;
-    controller.updateCurrentPlaylistContext(playlist, songId);
-    controller.musicPlay(song);
+  Future<void> _playSelectedSong(AgentController controller, Map<String, dynamic> song,
+      List<Map<String, dynamic>> playlist) async {
+    // 防止重复点击导致的状态混乱
+    if (controller.isLoadingMusic.value) {
+      return;
+    }
+
+    try {
+      // 设置加载状态，防止重复操作
+      controller.isLoadingMusic.value = true;
+
+      final songId = song['id'] ?? 0;
+      controller.updateCurrentPlaylistContext(playlist, songId);
+      await controller.musicPlay(song);
+    } finally {
+      // 确保加载状态被重置
+      controller.isLoadingMusic.value = false;
+    }
   }
 }