chore: clean up code comments

lib/services/ambient_lighting_service.dart

@@ -43,10 +43,8 @@ class AmbientLightingService {
 
       appLogger.d('AmbientLightingService: Shader path: $_shaderPath');
 
-      // Set video-aspect-override to fill the entire output area
       await _player.setProperty('video-aspect-override', outputAspect.toString());
 
-      // Append ambient lighting shader
       await _player.command(['change-list', 'glsl-shaders', 'append', _shaderPath!]);
 
       _enabled = true;

lib/services/discord_rpc_service.dart

@@ -139,7 +139,6 @@ class DiscordRPCService {
     _playbackSpeed = 1.0;
 
     if (_isEnabled && _isConnected) {
-      // Upload thumbnail in background, don't block playback
       unawaited(_uploadThumbnailAndUpdatePresence(revision, metadata, client));
     }
   }
@@ -148,9 +147,7 @@ class DiscordRPCService {
   void updatePosition(Duration position) {
     final isSeek = _timeline.updatePosition(position);
 
-    // Update presence if position jumped significantly (seek detected)
     if (_isEnabled && _isConnected && _playbackStartTime != null && isSeek) {
-      // Throttle updates to max once per second
       final now = DateTime.now();
       if (_lastPresenceUpdate == null || now.difference(_lastPresenceUpdate!) > const Duration(seconds: 1)) {
         _lastPresenceUpdate = now;
@@ -172,7 +169,6 @@ class DiscordRPCService {
   Future<void> resumePlayback() async {
     if (_currentMetadata == null) return;
 
-    // Reset start time for elapsed time display
     _playbackStartTime = DateTime.now();
 
     if (_isEnabled && _isConnected) {
@@ -182,7 +178,6 @@ class DiscordRPCService {
 
   /// Pause - clear timestamp but keep showing what's playing
   Future<void> pausePlayback() async {
-    // Clear start time so Discord stops counting
     _playbackStartTime = null;
 
     if (_isEnabled && _isConnected) {
@@ -309,12 +304,9 @@ class DiscordRPCService {
 
   Future<String?> _uploadThumbnail(MediaItem metadata, MediaServerClient client) async {
     try {
-      // Get the thumbnail path (prefer show poster for episodes)
       final thumbPath = metadata.grandparentThumbPath ?? metadata.thumbPath;
       if (thumbPath == null || thumbPath.isEmpty) return null;
 
-      // Check cache first (with expiry check). Key by backend so the same
-      // path on Plex and Jellyfin doesn't collide.
       final cacheKey = '${client.backend.id}:$thumbPath';
       final cached = _posterUrlCache[cacheKey];
       if (cached != null && !cached.isExpired) {

lib/services/gamepad_service.dart

@@ -192,25 +192,20 @@ class GamepadService with WindowListener {
     _tabNavigationHandlers.clear();
   }
 
-  // Deadzone for analog sticks (0.0 to 1.0)
   static const double _stickDeadzone = 0.5;
 
-  // Auto-repeat timing for held directional inputs (D-pad / stick)
   static const Duration _repeatInitialDelay = Duration(milliseconds: 400);
   static const Duration _repeatInterval = Duration(milliseconds: 80);
 
   key_sim.KeyEventSimulatorController? _keyEventSimulator;
 
-  // Track stick state to detect deadzone crossings
   bool _leftStickUp = false;
   bool _leftStickDown = false;
   bool _leftStickLeft = false;
   bool _leftStickRight = false;
 
-  // Track button states to prevent repeated events from button holds
   final Set<GamepadButton> _pressedButtons = {};
   final Set<GamepadButton> _suppressedButtons = {};
-  // Whether the app window is currently focused — ignore gamepad input when false
   bool _windowFocused = true;
   bool _nativeKeyHandlerRegistered = false;
   bool _nativeTextInputFocused = false;

lib/services/keyboard_shortcuts_service.dart

@@ -250,16 +250,13 @@ class KeyboardShortcutsService extends ChangeNotifier {
             if (!isMetaPressed) modifiersMatch = false;
             break;
           case HotKeyModifier.capsLock:
-            // CapsLock is typically not used for shortcuts, ignore for now
             break;
           case HotKeyModifier.fn:
-            // Fn key is typically not used for shortcuts, ignore for now
             break;
         }
         if (!modifiersMatch) break;
       }
 
-      // Check that no extra modifiers are pressed
       if (modifiersMatch) {
         final hasShift = requiredModifiers.contains(HotKeyModifier.shift);
         final hasControl = requiredModifiers.contains(HotKeyModifier.control);
@@ -372,7 +369,6 @@ class KeyboardShortcutsService extends ChangeNotifier {
     return shortcut.label(seekTimeSmall: _seekTimeSmall, seekTimeLarge: _seekTimeLarge);
   }
 
-  // Check if a hotkey is already assigned to another action
   String? getActionForHotkey(HotKey hotkey) {
     for (final entry in _hotkeys.entries) {
       final assignedHotkey = entry.value;
@@ -383,7 +379,6 @@ class KeyboardShortcutsService extends ChangeNotifier {
     return null;
   }
 
-  // Helper method to compare two HotKey objects
   bool _hotkeyEquals(HotKey a, HotKey b) {
     if (a.key != b.key) return false;