chore: remove redundant inline comments

android/app/src/main/kotlin/com/zarz/spotiflac/DownloadService.kt

@@ -115,10 +115,8 @@ class DownloadService : Service() {
      * We must call stopSelf() within a few seconds to avoid a crash.
      */
     override fun onTimeout(startId: Int, fgsType: Int) {
-        // Log the timeout for debugging
         android.util.Log.w("DownloadService", "Foreground service timeout reached (6 hours limit). Stopping service.")
         
-        // Gracefully stop the service
         stopForegroundService()
     }
     

go_backend/cue_parser.go

@@ -114,7 +114,6 @@ func ParseCueFile(cuePath string) (*CueSheet, error) {
 			continue
 		}
 
-		// PERFORMER
 		if strings.HasPrefix(upper, "PERFORMER ") {
 			value := unquoteCue(line[len("PERFORMER "):])
 			if currentTrack != nil {
@@ -125,7 +124,6 @@ func ParseCueFile(cuePath string) (*CueSheet, error) {
 			continue
 		}
 
-		// TITLE
 		if strings.HasPrefix(upper, "TITLE ") {
 			value := unquoteCue(line[len("TITLE "):])
 			if currentTrack != nil {
@@ -136,7 +134,6 @@ func ParseCueFile(cuePath string) (*CueSheet, error) {
 			continue
 		}
 
-		// FILE
 		if strings.HasPrefix(upper, "FILE ") {
 			rest := line[len("FILE "):]
 			// Extract filename and type
@@ -148,7 +145,6 @@ func ParseCueFile(cuePath string) (*CueSheet, error) {
 			continue
 		}
 
-		// TRACK
 		if strings.HasPrefix(upper, "TRACK ") {
 			// Save previous track
 			if currentTrack != nil {
@@ -168,7 +164,6 @@ func ParseCueFile(cuePath string) (*CueSheet, error) {
 			continue
 		}
 
-		// INDEX
 		if strings.HasPrefix(upper, "INDEX ") && currentTrack != nil {
 			parts := strings.Fields(line)
 			if len(parts) >= 3 {
@@ -184,7 +179,6 @@ func ParseCueFile(cuePath string) (*CueSheet, error) {
 			continue
 		}
 
-		// ISRC
 		if strings.HasPrefix(upper, "ISRC ") && currentTrack != nil {
 			currentTrack.ISRC = strings.TrimSpace(line[len("ISRC "):])
 			continue
@@ -560,7 +554,6 @@ func scanCueSheetForLibrary(cuePath string, sheet *CueSheet, audioPath, virtualP
 			duration = int(totalDurationSec - track.StartTime)
 		}
 
-		// Use a unique ID based on pathBase + track number
 		id := generateLibraryID(fmt.Sprintf("%s#track%d", pathBase, track.Number))
 
 		// Use a virtual file path that includes the track number to ensure

go_backend/duplicate.go

@@ -34,7 +34,6 @@ func GetISRCIndex(outputDir string) *ISRCIndex {
 		return idx
 	}
 
-	// Slow path: need to build index
 	// Use per-directory mutex to prevent multiple goroutines from building simultaneously
 	buildLock, _ := isrcBuildingMu.LoadOrStore(outputDir, &sync.Mutex{})
 	mu := buildLock.(*sync.Mutex)

go_backend/extension_manager.go

@@ -151,7 +151,6 @@ func (m *ExtensionManager) LoadExtensionFromFile(filePath string) (*LoadedExtens
 	if exists {
 		versionCompare := compareVersions(manifest.Version, existingVersion)
 		if versionCompare > 0 {
-			// This is an upgrade - call UpgradeExtension
 			return m.UpgradeExtension(filePath)
 		} else if versionCompare == 0 {
 			return nil, fmt.Errorf("Extension '%s' v%s is already installed", existingDisplayName, existingVersion)
@@ -429,7 +428,6 @@ func (m *ExtensionManager) loadExtensionFromDirectory(dirPath string) (*LoadedEx
 		SourceDir: dirPath,
 	}
 
-	// Restore enabled state from settings store
 	store := GetExtensionSettingsStore()
 	if enabledVal, err := store.Get(manifest.Name, "_enabled"); err == nil {
 		if enabled, ok := enabledVal.(bool); ok {

go_backend/extension_store.go

@@ -484,12 +484,10 @@ func (s *ExtensionStore) SearchExtensions(query string, category string) ([]Stor
 	queryLower := toLower(query)
 
 	for _, ext := range extensions {
-		// Filter by category
 		if category != "" && ext.Category != category {
 			continue
 		}
 
-		// Filter by query
 		if query != "" {
 			if !containsIgnoreCase(ext.Name, queryLower) &&
 				!containsIgnoreCase(ext.DisplayName, queryLower) &&

go_backend/httputil.go

@@ -350,7 +350,7 @@ func calculateNextDelay(currentDelay time.Duration, config RetryConfig) time.Dur
 func getRetryAfterDuration(resp *http.Response) time.Duration {
 	retryAfter := resp.Header.Get("Retry-After")
 	if retryAfter == "" {
-		return 60 * time.Second // Default wait time
+		return 60 * time.Second
 	}
 
 	if seconds, err := strconv.Atoi(retryAfter); err == nil {
@@ -364,7 +364,7 @@ func getRetryAfterDuration(resp *http.Response) time.Duration {
 		}
 	}
 
-	return 60 * time.Second // Default
+	return 60 * time.Second
 }
 
 func ReadResponseBody(resp *http.Response) ([]byte, error) {

go_backend/youtube.go

@@ -510,12 +510,10 @@ func ExtractYouTubeVideoID(urlStr string) (string, error) {
 		return "", fmt.Errorf("invalid URL: %w", err)
 	}
 
-	// /watch?v=
 	if v := parsed.Query().Get("v"); v != "" {
 		return v, nil
 	}
 
-	// /embed/
 	if strings.Contains(parsed.Path, "/embed/") {
 		parts := strings.Split(parsed.Path, "/embed/")
 		if len(parts) >= 2 {
@@ -523,7 +521,6 @@ func ExtractYouTubeVideoID(urlStr string) (string, error) {
 		}
 	}
 
-	// /v/
 	if strings.Contains(parsed.Path, "/v/") {
 		parts := strings.Split(parsed.Path, "/v/")
 		if len(parts) >= 2 {

lib/providers/local_library_provider.dart

@@ -315,7 +315,6 @@ class LocalLibraryNotifier extends Notifier<LocalLibraryState> {
         int skippedDownloads = 0;
         for (final json in results) {
           final filePath = json['filePath'] as String?;
-          // Skip files that are already in download history
           if (_isDownloadedPath(filePath, downloadedPathKeys)) {
             skippedDownloads++;
             continue;
@@ -464,7 +463,6 @@ class LocalLibraryNotifier extends Notifier<LocalLibraryState> {
           }
         }
 
-        // Delete removed items
         if (deletedPaths.isNotEmpty) {
           final deleteCount = await _db.deleteByPaths(deletedPaths);
           for (final path in deletedPaths) {

lib/providers/recent_access_provider.dart

@@ -70,7 +70,7 @@ class RecentAccessItem {
 /// State for recent access history
 class RecentAccessState {
   final List<RecentAccessItem> items;
-  final Set<String> hiddenDownloadIds; // IDs of downloads hidden from recents
+  final Set<String> hiddenDownloadIds;
   final bool isLoaded;
 
   const RecentAccessState({

lib/screens/downloaded_album_screen.dart

@@ -125,7 +125,6 @@ class _DownloadedAlbumScreenState extends ConsumerState<DownloadedAlbumScreen> {
               (item.albumArtist != null && item.albumArtist!.isNotEmpty)
               ? item.albumArtist!
               : item.artistName;
-          // Use lowercase for case-insensitive matching
           final itemKey =
               '${item.albumName.toLowerCase()}|${itemArtist.toLowerCase()}';
           return itemKey == _albumLookupKey;

lib/screens/queue_tab.dart

@@ -105,7 +105,7 @@ class UnifiedLibraryItem {
       artistName: item.artistName,
       albumName: item.albumName,
       coverUrl: null, // Local library doesn't have cover URLs
-      localCoverPath: item.coverPath, // Use extracted cover path
+      localCoverPath: item.coverPath,
       filePath: item.filePath,
       quality: quality,
       addedAt: item.fileModTime != null
@@ -2067,7 +2067,6 @@ class _QueueTabState extends ConsumerState<QueueTab> {
     final albumCounts = <String, int>{};
     final albumMap = <String, List<DownloadHistoryItem>>{};
     for (final item in items) {
-      // Use lowercase key for case-insensitive grouping
       final key =
           '${item.albumName.toLowerCase()}|${(item.albumArtist ?? item.artistName).toLowerCase()}';
       albumCounts[key] = (albumCounts[key] ?? 0) + 1;

lib/screens/store_tab.dart

@@ -121,7 +121,6 @@ class _StoreTabState extends ConsumerState<StoreTab> {
               ),
             ),
 
-            // Show setup screen if no registry URL is configured
             if (!hasRegistryUrl)
               SliverFillRemaining(
                 child: _buildSetupRepoState(colorScheme, error),

lib/screens/track_metadata_screen.dart

@@ -64,9 +64,9 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
   String? _lyricsError;
   String? _lyricsSource;
   bool _showTitleInAppBar = false;
-  bool _lyricsEmbedded = false; // Track if lyrics are embedded in file
+  bool _lyricsEmbedded = false;
   bool _isEmbedding = false; // Track embed operation in progress
-  bool _isInstrumental = false; // Track if detected as instrumental
+  bool _isInstrumental = false;
   bool _isConverting = false; // Track convert operation in progress
   bool _hasMetadataChanges = false;
   bool _hasLoadedResolvedAudioMetadata = false;

lib/services/ffmpeg_service.dart

@@ -1385,7 +1385,6 @@ class FFmpegService {
       final track = tracks[i];
       onProgress?.call(i + 1, tracks.length);
 
-      // Sanitize filename
       final sanitizedTitle = track.title
           .replaceAll(RegExp(r'[<>:"/\\|?*]'), '_')
           .replaceAll(RegExp(r'\s+'), ' ')
@@ -1394,11 +1393,9 @@ class FFmpegService {
       final outputFileName = '$trackNumStr - $sanitizedTitle.$outputExt';
       final outputPath = '$outputDir${Platform.pathSeparator}$outputFileName';
 
-      // Build FFmpeg command for this track
       final StringBuffer cmdBuffer = StringBuffer();
       cmdBuffer.write('-i "$audioPath" ');
 
-      // Time range
       final startTime = _formatSecondsForFFmpeg(track.startSec);
       cmdBuffer.write('-ss $startTime ');
 
@@ -1413,7 +1410,6 @@ class FFmpegService {
         cmdBuffer.write('-c:a copy ');
       }
 
-      // Metadata
       final artist = track.artist.isNotEmpty ? track.artist : (albumMetadata['artist'] ?? '');
       final album = albumMetadata['album'] ?? '';
       final genre = albumMetadata['genre'] ?? '';

lib/services/library_database.dart

@@ -176,7 +176,6 @@ class LibraryDatabase {
     _log.i('Upgrading library database from v$oldVersion to v$newVersion');
 
     if (oldVersion < 2) {
-      // Add cover_path column
       await db.execute('ALTER TABLE library ADD COLUMN cover_path TEXT');
       _log.i('Added cover_path column');
     }