chore(logging): sanitize diagnostics and reduce noise

lib/services/ffmpeg_service.dart

@@ -1335,9 +1335,7 @@ class FFmpegService {
       localUrl,
     ];
 
-    _log.d(
-      'Starting live decrypt tunnel: ${_previewCommandForLog(commandArguments.join(' '))}',
-    );
+    _log.d('Starting live decrypt tunnel (format=$ext)');
 
     final session = await FFmpegKit.executeWithArgumentsAsync(commandArguments);
     final isReady = await _awaitLiveTunnelReady(session);

lib/services/music_player_service.dart

@@ -329,7 +329,6 @@ class MusicPlayerHandler extends BaseAudioHandler
             (state == PlayerState.stopped ||
                 state == PlayerState.completed ||
                 state == PlayerState.disposed)) {
-          _log.d('Ignoring transient $state event while switching tracks');
           return;
         }
         if (state == PlayerState.completed && _shouldIgnoreComplete) {
@@ -1135,7 +1134,6 @@ class MusicPlayerHandler extends BaseAudioHandler
       _broadcastState(playerState: PlayerState.playing);
       _lastPeriodicPersistAt = DateTime.now();
       unawaited(_persistSession(position: effectiveStartPosition));
-      _log.i('Playing: ${media.title}');
       // Some files do not emit onDurationChanged reliably (stuck at 0:00);
       // poll the engine for the real duration as a fallback.
       unawaited(_ensureDurationKnown(index, generation));
@@ -1175,7 +1173,7 @@ class MusicPlayerHandler extends BaseAudioHandler
           return;
         }
       } catch (_) {
-        // ignore and retry
+        // Duration probing is best-effort; retry until the bounded loop ends.
       }
       await Future<void>.delayed(const Duration(milliseconds: 300));
     }
@@ -1220,7 +1218,6 @@ class MusicPlayerHandler extends BaseAudioHandler
 
   Future<void> _handlePlayerComplete() async {
     if (_shouldIgnoreComplete) {
-      _log.d('Ignoring non-terminal player complete event');
       if (_userPaused || _interruptionActive) {
         _broadcastState(playerState: PlayerState.paused);
       }
@@ -1273,7 +1270,6 @@ class MusicPlayerHandler extends BaseAudioHandler
 
   @override
   Future<void> click([MediaButton button = MediaButton.media]) async {
-    _log.d('Hardware media button: ${button.name}');
     switch (button) {
       case MediaButton.media:
         if (playbackState.value.playing) {
@@ -1293,7 +1289,6 @@ class MusicPlayerHandler extends BaseAudioHandler
 
   @override
   Future<void> pause() async {
-    _log.i('Pausing internal player by user/control request');
     _playRequestGeneration++;
     _switchingGeneration = 0;
     _userPaused = true;
@@ -1450,7 +1445,7 @@ class MusicPlayerHandler extends BaseAudioHandler
       kept.add(_media[i]);
     }
 
-    if (kept.length == _media.length) return; // nothing matched
+    if (kept.length == _media.length) return;
 
     _media
       ..clear()

lib/services/platform_bridge.dart

@@ -638,24 +638,11 @@ class PlatformBridge {
       useExtensions: useExtensions,
       useFallback: useFallback,
     );
-    _log.i(
-      'downloadByStrategy: "${payload.trackName}" by ${payload.artistName} '
-      '(service: ${payload.service}, ext: ${routedPayload.useExtensions}, fallback: ${routedPayload.useFallback})',
-    );
     final response = await _invokeDownloadMethod(
       'downloadByStrategy',
       routedPayload,
     );
-    if (response['success'] == true) {
-      final service = response['service'] ?? payload.service;
-      final filePath = response['file_path'] ?? '';
-      final bitDepth = response['actual_bit_depth'] as num?;
-      final sampleRate = response['actual_sample_rate'] as num?;
-      final qualityStr = bitDepth != null && sampleRate != null
-          ? ' ($bitDepth-bit/${(sampleRate / 1000).toStringAsFixed(1)}kHz)'
-          : '';
-      _log.i('Download success via $service$qualityStr: $filePath');
-    } else {
+    if (response['success'] != true) {
       final error = response['error'] ?? 'Unknown error';
       final errorType = response['error_type'] ?? '';
       _log.e('Download failed: $error (type: $errorType)');
@@ -2057,7 +2044,6 @@ class PlatformBridge {
   }
 
   static Future<void> setLibraryCoverCacheDir(String cacheDir) async {
-    _log.i('setLibraryCoverCacheDir: $cacheDir');
     await _channel.invokeMethod('setLibraryCoverCacheDir', {
       'cache_dir': cacheDir,
     });
@@ -2066,7 +2052,6 @@ class PlatformBridge {
   static Future<List<Map<String, dynamic>>> scanLibraryFolder(
     String folderPath,
   ) async {
-    _log.i('scanLibraryFolder: $folderPath');
     final result = await _channel.invokeMethod('scanLibraryFolder', {
       'folder_path': folderPath,
     });
@@ -2088,9 +2073,6 @@ class PlatformBridge {
     String folderPath,
     Map<String, int> existingFiles,
   ) async {
-    _log.i(
-      'scanLibraryFolderIncremental: $folderPath (${existingFiles.length} existing files)',
-    );
     final result = await _channel.invokeMethod('scanLibraryFolderIncremental', {
       'folder_path': folderPath,
       'existing_files': jsonEncode(existingFiles),
@@ -2116,7 +2098,6 @@ class PlatformBridge {
   }
 
   static Future<List<Map<String, dynamic>>> scanSafTree(String treeUri) async {
-    _log.i('scanSafTree: $treeUri');
     final result = await _channel.invokeMethod('scanSafTree', {
       'tree_uri': treeUri,
     });
@@ -2188,9 +2169,6 @@ class PlatformBridge {
     String treeUri,
     Map<String, int> existingFiles,
   ) async {
-    _log.i(
-      'scanSafTreeIncremental: $treeUri (${existingFiles.length} existing files)',
-    );
     final result = await _channel.invokeMethod('scanSafTreeIncremental', {
       'tree_uri': treeUri,
       'existing_files': jsonEncode(existingFiles),

lib/services/share_intent_service.dart

@@ -68,7 +68,7 @@ class ShareIntentService {
       for (final textToCheck in textsToCheck) {
         final url = _extractMusicUrl(textToCheck);
         if (url != null) {
-          _log.i('Received music URL: $url (initial: $isInitial)');
+          _log.i('Received supported music link (initial=$isInitial)');
           if (isInitial) {
             _pendingUrl = url;
           }