开始进入修复阶段

lib/services/audio_service.dart

@@ -13,6 +13,7 @@ import '../utils/artwork_helper.dart';
 import '../repositories/playlist_repository.dart';
 import '../models/playlist.dart';
 import 'webdav_service.dart';
+import 'audio_player_handler.dart';
 
 enum PlayMode {
   sequential,
@@ -62,6 +63,9 @@ class AudioService extends ChangeNotifier {
   // ---- 当前播放的歌单 ID ----
   String? _currentPlaylistId;
 
+  // ⭐ 插入位置：在现有成员变量之后，方法之前
+  AudioPlayerHandler? _handler; // ⭐ 添加这一行
+
   // ---- 高频进度 ----
   final ValueNotifier<Duration> positionNotifier = ValueNotifier(Duration.zero);
   final ValueNotifier<Duration> durationNotifier = ValueNotifier(Duration.zero);
@@ -115,6 +119,11 @@ class AudioService extends ChangeNotifier {
     _onSongChanged = callback;
   }
 
+  void setHandler(AudioPlayerHandler handler) {
+    // ⭐ 添加这个方法
+    _handler = handler;
+  }
+
   void togglePlayMode() {
     switch (_playMode) {
       case PlayMode.sequential:
@@ -264,6 +273,8 @@ class AudioService extends ChangeNotifier {
       final song = _queue[_currentIndex];
       _currentSong = song;
 
+      _handler?.syncState(song);
+
       _startListening();
       notifyListeners();
 
@@ -547,6 +558,8 @@ class AudioService extends ChangeNotifier {
   }
 
   void stopPlay() {
+    // 停止底层播放器
+    PlaybackService().stop(); // 新增
     _currentSong = null;
     _isPlaying = false;
     positionNotifier.value = Duration.zero;
@@ -554,7 +567,6 @@ class AudioService extends ChangeNotifier {
     bufferedNotifier.value = Duration.zero;
     _stopListening();
     notifyListeners();
-    // 停止时也保存一次
     savePlaybackState();
   }
 
@@ -821,6 +833,8 @@ class AudioService extends ChangeNotifier {
       _currentSong = song;
       _onSongChanged?.call(song);
 
+      _handler?.syncState(song); // ⭐ 添加这一行
+
       debugPrint(
           '♻️ [AudioService] playback state restored: ${song.title} - ${song.artist}');