fix: stricter metadata matching, respect embedLyrics setting, improve Apple Music lyrics

- Re-enrich: reject candidates that don't match title/artist/album unless exact ISRC match
- Respect settings.embedLyrics instead of hardcoding true in re-enrich flows
- Skip lyrics resolution in NativeDownloadFinalizer when not needed
- Apple Music lyrics: use direct catalog API with token scraping instead of Paxsenix search
- Support ELRC/ELRCMultiPerson/Plain formats in Apple Music lyrics response
- Add confidence check in metadata auto-fill to prevent applying wrong metadata
- Add tests for stricter re-enrich matching logic

lib/screens/local_album_screen.dart

@@ -883,12 +883,13 @@ class _LocalAlbumScreenState extends ConsumerState<LocalAlbumScreen> {
     List<String>? updateFields,
   }) async {
     final durationMs = (item.duration ?? 0) * 1000;
-    final artistTagMode = ref.read(settingsProvider).artistTagMode;
+    final settings = ref.read(settingsProvider);
+    final artistTagMode = settings.artistTagMode;
     final request = <String, dynamic>{
       'file_path': item.filePath,
       'cover_url': '',
       'max_quality': true,
-      'embed_lyrics': true,
+      'embed_lyrics': settings.embedLyrics,
       'artist_tag_mode': artistTagMode,
       'spotify_id': '',
       'track_name': item.trackName,

lib/screens/queue_tab.dart

@@ -4408,12 +4408,13 @@ class _QueueTabState extends ConsumerState<QueueTab> {
     List<String>? updateFields,
   }) async {
     final durationMs = (item.duration ?? 0) * 1000;
-    final artistTagMode = ref.read(settingsProvider).artistTagMode;
+    final settings = ref.read(settingsProvider);
+    final artistTagMode = settings.artistTagMode;
     final request = <String, dynamic>{
       'file_path': item.filePath,
       'cover_url': '',
       'max_quality': true,
-      'embed_lyrics': true,
+      'embed_lyrics': settings.embedLyrics,
       'artist_tag_mode': artistTagMode,
       'spotify_id': '',
       'track_name': item.trackName,

lib/screens/track_metadata_edit_sheet.dart

@@ -599,6 +599,54 @@ class _EditMetadataSheetState extends State<_EditMetadataSheet> {
     return score;
   }
 
+  bool _metadataTextMatches(String current, String candidate) {
+    if (current.isEmpty || candidate.isEmpty) return false;
+    return current == candidate ||
+        candidate.contains(current) ||
+        current.contains(candidate);
+  }
+
+  bool _metadataMatchIsConfident(
+    Map<String, dynamic> track, {
+    required String currentTitle,
+    required String currentArtist,
+    required String currentAlbum,
+    required String currentIsrc,
+  }) {
+    final candidateIsrc = (track['isrc']?.toString() ?? '')
+        .trim()
+        .toUpperCase();
+    if (currentIsrc.isNotEmpty && candidateIsrc == currentIsrc) {
+      return true;
+    }
+
+    final candidateTitle = _normalizeMetadataText(
+      (track['name'] ?? track['title'] ?? '').toString(),
+    );
+    final candidateArtist = _normalizeMetadataText(
+      (track['artists'] ?? track['artist'] ?? '').toString(),
+    );
+    final candidateAlbum = _normalizeMetadataText(
+      (track['album_name'] ?? track['album'] ?? '').toString(),
+    );
+
+    final titleMatches = _metadataTextMatches(currentTitle, candidateTitle);
+    final artistMatches = _metadataTextMatches(currentArtist, candidateArtist);
+    final albumMatches = _metadataTextMatches(currentAlbum, candidateAlbum);
+
+    if (currentTitle.isNotEmpty && currentArtist.isNotEmpty) {
+      return titleMatches && artistMatches;
+    }
+    if (currentTitle.isNotEmpty && currentAlbum.isNotEmpty) {
+      return titleMatches && albumMatches;
+    }
+    if (currentTitle.isNotEmpty) {
+      return titleMatches;
+    }
+
+    return false;
+  }
+
   Future<void> _fetchAndFill() async {
     if (_autoFillFields.isEmpty) {
       ScaffoldMessenger.of(context).showSnackBar(
@@ -683,6 +731,24 @@ class _EditMetadataSheetState extends State<_EditMetadataSheet> {
             best = result;
           }
         }
+
+        if (best != null &&
+            !_metadataMatchIsConfident(
+              best,
+              currentTitle: normalizedTitle,
+              currentArtist: normalizedArtist,
+              currentAlbum: normalizedAlbum,
+              currentIsrc: currentIsrc,
+            )) {
+          best = null;
+        }
+
+        if (best == null) {
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(content: Text(context.l10n.editMetadataAutoFillNoResults)),
+          );
+          return;
+        }
       }
 
       final selectedBest = best;

lib/screens/track_metadata_screen.dart

@@ -2921,7 +2921,8 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
     if (!_fileExists) return;
 
     try {
-      final artistTagMode = ref.read(settingsProvider).artistTagMode;
+      final settings = ref.read(settingsProvider);
+      final artistTagMode = settings.artistTagMode;
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(content: Text(context.l10n.trackReEnrichSearching)),
       );
@@ -2931,7 +2932,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
         'file_path': cleanFilePath,
         'cover_url': _coverUrl ?? '',
         'max_quality': true,
-        'embed_lyrics': true,
+        'embed_lyrics': settings.embedLyrics,
         'artist_tag_mode': artistTagMode,
         'spotify_id': _spotifyId ?? '',
         'track_name': trackName,