style: apply dart formatting fixes across lib/ and test/

11 files had formatting inconsistencies that caused the
--set-exit-if-changed gate to fail. Automated formatting
via dart format now passes cleanly.

lib/kryz_audio_handler.dart

@@ -28,10 +28,7 @@ class KryzAudioHandler extends BaseAudioHandler with SeekHandler {
     title: AppConfig.defaultTitle,
     artist: AppConfig.defaultArtist,
     album: 'Live',
-    extras: <String, dynamic>{
-      'isLive': true,
-      'seekable': false,
-    },
+    extras: <String, dynamic>{'isLive': true, 'seekable': false},
   );
 
   final AudioPlayer _player = AudioPlayer();
@@ -83,10 +80,7 @@ class KryzAudioHandler extends BaseAudioHandler with SeekHandler {
     try {
       if (!_isSourceLoaded) {
         await _player.setAudioSource(
-          AudioSource.uri(
-            Uri.parse(streamUrl),
-            tag: mediaItem.value,
-          ),
+          AudioSource.uri(Uri.parse(streamUrl), tag: mediaItem.value),
         );
         _isSourceLoaded = true;
       }
@@ -159,25 +153,35 @@ class KryzAudioHandler extends BaseAudioHandler with SeekHandler {
   }
 
   void _onPlayerStateChanged(PlayerState state) {
-    final AudioProcessingState processingState = switch (state.processingState) {
-      ProcessingState.idle => AudioProcessingState.idle,
-      ProcessingState.loading => AudioProcessingState.loading,
-      ProcessingState.buffering => AudioProcessingState.buffering,
-      ProcessingState.ready => AudioProcessingState.ready,
-      ProcessingState.completed => AudioProcessingState.completed,
-    };
+    final AudioProcessingState processingState =
+        switch (state.processingState) {
+          ProcessingState.idle => AudioProcessingState.idle,
+          ProcessingState.loading => AudioProcessingState.loading,
+          ProcessingState.buffering => AudioProcessingState.buffering,
+          ProcessingState.ready => AudioProcessingState.ready,
+          ProcessingState.completed => AudioProcessingState.completed,
+        };
 
-    final bool isPlaying = state.playing && state.processingState == ProcessingState.ready;
-    final bool isBuffering = (state.playing && state.processingState != ProcessingState.ready) ||
-        (_playRequested && !state.playing && state.processingState != ProcessingState.completed);
+    final bool isPlaying =
+        state.playing && state.processingState == ProcessingState.ready;
+    final bool isBuffering =
+        (state.playing && state.processingState != ProcessingState.ready) ||
+        (_playRequested &&
+            !state.playing &&
+            state.processingState != ProcessingState.completed);
 
     playbackState.add(
       playbackState.value.copyWith(
         controls: <MediaControl>[
-          if (isPlaying || isBuffering) MediaControl.stop else MediaControl.play,
+          if (isPlaying || isBuffering)
+            MediaControl.stop
+          else
+            MediaControl.play,
         ],
         systemActions: const <MediaAction>{},
-        processingState: isBuffering ? AudioProcessingState.buffering : processingState,
+        processingState: isBuffering
+            ? AudioProcessingState.buffering
+            : processingState,
         playing: isPlaying,
       ),
     );
@@ -220,4 +224,4 @@ class KryzAudioHandler extends BaseAudioHandler with SeekHandler {
       // Keep existing metadata if live-info fetch fails.
     }
   }
-}
+}