✨ Lyrics for remote tracks

lib/providers/audio_provider.dart

@@ -1,9 +1,63 @@
 import 'package:groovybox/logic/audio_handler.dart';
 import 'package:groovybox/logic/metadata_service.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:groovybox/data/db.dart' as db;
 
 part 'audio_provider.g.dart';
 
+// Simple data class for current track to avoid drift type issues
+class CurrentTrackData {
+  final int id;
+  final String title;
+  final String? artist;
+  final String? album;
+  final String path;
+  final String? lyrics;
+  final int lyricsOffset;
+
+  CurrentTrackData({
+    required this.id,
+    required this.title,
+    this.artist,
+    this.album,
+    required this.path,
+    this.lyrics,
+    required this.lyricsOffset,
+  });
+
+  factory CurrentTrackData.fromTrack(db.Track track) {
+    return CurrentTrackData(
+      id: track.id,
+      title: track.title,
+      artist: track.artist,
+      album: track.album,
+      path: track.path,
+      lyrics: track.lyrics,
+      lyricsOffset: track.lyricsOffset,
+    );
+  }
+
+  CurrentTrackData copyWith({
+    int? id,
+    String? title,
+    String? artist,
+    String? album,
+    String? path,
+    String? lyrics,
+    int? lyricsOffset,
+  }) {
+    return CurrentTrackData(
+      id: id ?? this.id,
+      title: title ?? this.title,
+      artist: artist ?? this.artist,
+      album: album ?? this.album,
+      path: path ?? this.path,
+      lyrics: lyrics ?? this.lyrics,
+      lyricsOffset: lyricsOffset ?? this.lyricsOffset,
+    );
+  }
+}
+
 // This should be set after AudioService.init in main.dart
 late AudioHandler _audioHandler;
 
@@ -17,6 +71,22 @@ void setAudioHandler(AudioHandler handler) {
   _audioHandler = handler;
 }
 
+@Riverpod(keepAlive: true)
+class CurrentTrackNotifier extends _$CurrentTrackNotifier {
+  @override
+  CurrentTrackData? build() {
+    return null;
+  }
+
+  void setTrack(CurrentTrackData? track) {
+    state = track;
+  }
+
+  void clear() {
+    state = null;
+  }
+}
+
 @Riverpod(keepAlive: true)
 class CurrentTrackMetadataNotifier extends _$CurrentTrackMetadataNotifier {
   @override