现在正在修复首次启动点击跳曲问题与顺序播放的跳曲问题

lib/services/audio_service.dart

@@ -3,14 +3,15 @@ import 'dart:async';
 import 'dart:io';
 import 'dart:typed_data';
 import 'package:flutter/material.dart';
-import 'package:media_kit/media_kit.dart' as media_kit; // ⭐ 加别名
+import 'package:media_kit/media_kit.dart' as media_kit;
 import 'package:path_provider/path_provider.dart';
 import 'playback_service.dart';
 import '../metadata/metadata_service.dart';
 import '../database/song_database.dart';
 import '../utils/artwork_helper.dart';
 import '../repositories/playlist_repository.dart';
-import '../models/playlist.dart'; // ⭐ 你的 Playlist 模型
+import '../models/playlist.dart';
+import 'webdav_service.dart';
 
 enum PlayMode {
   sequential,
@@ -116,7 +117,6 @@ class AudioService extends ChangeNotifier {
     }
     notifyListeners();
 
-    // ⭐ 如果有当前歌单，同步更新歌单的播放模式
     if (_currentPlaylistId != null) {
       _playlistRepo.updatePlaylistPlayMode(_currentPlaylistId!, _playMode);
     }
@@ -154,7 +154,6 @@ class AudioService extends ChangeNotifier {
 
   // ---- 播放指定歌曲 ----
   Future<void> playSong(Song song) async {
-    // 播放单曲时清除歌单上下文
     _currentPlaylistId = null;
     if (_queue.isEmpty || _queue[_currentIndex].id != song.id) {
       setQueue([song], startIndex: 0);
@@ -167,21 +166,17 @@ class AudioService extends ChangeNotifier {
   // 播放歌单
   // ════════════════════════════════════════════════════════════
 
-  /// 播放整个歌单
   Future<void> playPlaylist(String playlistId, {int startIndex = 0}) async {
     _currentPlaylistId = playlistId;
 
-    // 1. 获取歌单的播放模式
     final playlist = await _playlistRepo.getPlaylist(playlistId);
     if (playlist != null) {
       _playMode = playlist.playMode;
     }
 
-    // 2. 获取歌单歌曲 ID 列表
     final songIds = await _playlistRepo.getPlaylistSongIds(playlistId);
     if (songIds.isEmpty) return;
 
-    // 3. 将 song_id 转换为 Song 对象
     final songs = <Song>[];
     for (final id in songIds) {
       final dbSong = await _db.getSongByPath(id);
@@ -193,7 +188,6 @@ class AudioService extends ChangeNotifier {
           url: dbSong['remote_path'] as String,
         ));
       } else {
-        // 如果 songs 表中没有记录，用路径作为 fallback
         songs.add(Song(
           id: id,
           title: id.split('/').last.replaceAll(RegExp(r'\.[^.]*$'), ''),
@@ -208,19 +202,17 @@ class AudioService extends ChangeNotifier {
     }
   }
 
-  /// 将当前播放队列保存为歌单
   Future<Playlist> saveQueueAsPlaylist(String name) async {
-    // ⭐ 等待 createPlaylist 返回 Playlist 对象
     final playlist = await _playlistRepo.createPlaylist(name);
     for (int i = 0; i < _queue.length; i++) {
       final song = _queue[i];
       await _playlistRepo.addSong(playlist.id, song.id);
     }
-    return playlist; // ⭐ 直接返回 Playlist 对象
+    return playlist;
   }
 
   // ════════════════════════════════════════════════════════════
-  // 播放核心
+  // ⭐ 播放核心（修复：自动添加认证头）
   // ════════════════════════════════════════════════════════════
 
   void _playCurrent() {
@@ -242,17 +234,37 @@ class AudioService extends ChangeNotifier {
       return;
     }
 
-    PlaybackService().play(song.url!);
+    // ⭐ 关键修复：播放时自动添加认证头
+    _playWithHeaders(song.url!);
 
     _syncPlayerStateDelayed();
 
-    // ⭐ 立即推送基本信息（无 artwork）
     _onSongChanged?.call(song);
-
-    // ⭐ 异步加载完整 metadata（含 artwork）
     _loadMetadataForCurrentSong(generation);
   }
 
+  /// ⭐ 播放带认证头的 URL
+  Future<void> _playWithHeaders(String url) async {
+    final headers = await _getAuthHeadersForUrl(url);
+    await PlaybackService().play(url, headers: headers);
+  }
+
+  /// ⭐ 获取 URL 对应的认证头（WebDAV 需要，本地文件不需要）
+  Future<Map<String, String>> _getAuthHeadersForUrl(String url) async {
+    if (url.startsWith('http://') || url.startsWith('https://')) {
+      try {
+        final headers = await WebDAVService.instance.getAuthHeaders();
+        if (headers.isNotEmpty) {
+          debugPrint('🔑 [AudioService] 已添加认证头到播放请求');
+          return headers;
+        }
+      } catch (e) {
+        debugPrint('⚠️ [AudioService] 获取认证头失败: $e');
+      }
+    }
+    return {};
+  }
+
   String _generateSongKey(String url, int fileSize, int modifiedTime) {
     final raw = '$url|$fileSize|$modifiedTime';
     return raw.hashCode.toString();