Replace radio station popup menu with a full action sheet

lib/models/radio_station.dart

@@ -18,6 +18,9 @@ class RadioStation {
   /// See [canEdit] for sourcing.
   bool canDelete;
 
+  /// Whether the current user has favorited this radio station.
+  bool favorite;
+
   RadioStation({
     required this.id,
     required this.name,
@@ -27,6 +30,7 @@ class RadioStation {
     this.isPublic = false,
     this.canEdit = false,
     this.canDelete = false,
+    this.favorite = false,
   });
 
   factory RadioStation.fromJson(Map<String, dynamic> json) {
@@ -41,6 +45,7 @@ class RadioStation {
       isPublic: json['is_public'] ?? false,
       canEdit: permissions is Map ? permissions['edit'] == true : false,
       canDelete: permissions is Map ? permissions['delete'] == true : false,
+      favorite: json['favorite'] == true,
     );
   }
 
@@ -50,6 +55,7 @@ class RadioStation {
     String? url,
     bool canEdit = false,
     bool canDelete = false,
+    bool favorite = false,
   }) {
     final faker = Faker();
     return RadioStation(
@@ -58,6 +64,7 @@ class RadioStation {
       url: url ?? 'https://stream.example.com/live',
       canEdit: canEdit,
       canDelete: canDelete,
+      favorite: favorite,
     );
   }
 }

lib/providers/radio_player_provider.dart

@@ -139,6 +139,20 @@ class RadioPlayerProvider with ChangeNotifier {
     }
   }
 
+  /// Re-emit the OS media-session metadata for the current station.
+  /// Use after editing the station's name or logo so the lock-screen /
+  /// notification controls pick up the new values without restarting
+  /// the stream.
+  void refreshMediaItem() {
+    final station = _currentStation;
+    if (station == null) return;
+
+    audioHandler.mediaItem.add(mediaItemForStation(
+      station,
+      streamTitle: _streamTitle,
+    ));
+  }
+
   void _startNowPlayingPolling(RadioStation station) {
     _stopNowPlayingPolling();
     _fetchNowPlaying(station);

lib/providers/radio_station_provider.dart

@@ -73,6 +73,23 @@ class RadioStationProvider with ChangeNotifier, StreamSubscriber {
     notifyListeners();
   }
 
+  Future<void> toggleFavorite(RadioStation station) async {
+    // Optimistic flip + restore on failure.
+    station.favorite = !station.favorite;
+    notifyListeners();
+
+    try {
+      await post('favorites/toggle', data: {
+        'type': 'radio-station',
+        'id': station.id,
+      });
+    } catch (_) {
+      station.favorite = !station.favorite;
+      notifyListeners();
+      rethrow;
+    }
+  }
+
   Future<Map<String, dynamic>> getNowPlaying(RadioStation station) async {
     return await get('radio/stations/${station.id}/now-playing');
   }

lib/ui/screens/edit_radio_station_sheet.dart

@@ -14,6 +14,7 @@ Future<void> showEditRadioStationDialog(
       TextEditingController(text: station.description ?? '');
   var isPublic = station.isPublic;
   final stationProvider = context.read<RadioStationProvider>();
+  final radioPlayer = context.read<RadioPlayerProvider>();
 
   await showFormSheet(
     context,
@@ -27,6 +28,11 @@ Future<void> showEditRadioStationDialog(
       final url = urlController.text.trim();
       if (name.isEmpty || url.isEmpty) return;
 
+      // Capture before mutation so we can detect what actually changed
+      // and bring the live player into sync.
+      final oldUrl = station.url;
+      final oldName = station.name;
+
       try {
         await stationProvider.update(
           station,
@@ -35,6 +41,20 @@ Future<void> showEditRadioStationDialog(
           description: descController.text.trim(),
           isPublic: isPublic,
         );
+
+        // If we just edited the station that's currently on air, the
+        // player is still streaming the old URL (its setUrl was called
+        // at play time). Restart the stream when the URL changed;
+        // otherwise just refresh the OS media-session metadata so the
+        // lock screen / notification picks up the new name.
+        if (radioPlayer.currentStation?.id == station.id) {
+          if (url != oldUrl) {
+            radioPlayer.play(station).catchError((_) {});
+          } else if (name != oldName) {
+            radioPlayer.refreshMediaItem();
+          }
+        }
+
         Navigator.pop(context);
         showOverlay(context, caption: 'Station updated');
       } catch (_) {

lib/ui/screens/playable_action_sheet.dart

@@ -325,6 +325,7 @@ class PlayableActionButton extends StatelessWidget {
   final Function onTap;
   final bool hideSheetOnTap;
   final bool enabled;
+  final bool destructive;
 
   const PlayableActionButton({
     Key? key,
@@ -333,16 +334,27 @@ class PlayableActionButton extends StatelessWidget {
     required this.onTap,
     this.hideSheetOnTap = true,
     this.enabled = true,
+    this.destructive = false,
   }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
+    final destructiveColor = CupertinoColors.systemRed.resolveFrom(context);
+    final Color? labelColor = !enabled
+        ? Colors.white30
+        : destructive
+            ? destructiveColor
+            : null;
+    final effectiveIcon = destructive && enabled
+        ? Icon(icon.icon, color: destructiveColor)
+        : icon;
+
     return ListTile(
-      leading: icon,
+      leading: effectiveIcon,
       minLeadingWidth: 16,
       title: Text(
         text,
-        style: enabled ? null : const TextStyle(color: Colors.white30),
+        style: labelColor == null ? null : TextStyle(color: labelColor),
       ),
       onTap: enabled
           ? () {