fix: use ValueKey<String> for reorderable grid and add status bar padding

flutter_reorderable_grid_view requires String keys, not int. Also
adds safe area top padding so the room grid doesn't overlap the
system status bar.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lib/features/rooms/presentation/rooms_screen.dart

@@ -123,7 +123,7 @@ class _RoomGridState extends ConsumerState<_RoomGrid> {
     final l10n = AppLocalizations.of(context);
     final children = widget.rooms.map((rws) {
       return RoomCard(
-        key: ValueKey(rws.room.id),
+        key: ValueKey('room-${rws.room.id}'),
         roomWithStats: rws,
         onEdit: () => context.go('/rooms/${rws.room.id}/edit'),
         onDelete: () => _showDeleteConfirmation(context, rws, l10n),
@@ -134,17 +134,19 @@ class _RoomGridState extends ConsumerState<_RoomGrid> {
       scrollController: _scrollController,
       onReorder: (ReorderedListFunction<Widget> reorderFunc) {
         final reordered = reorderFunc(children);
-        final newOrder = reordered
-            .map((w) => (w.key! as ValueKey<int>).value)
-            .toList();
+        final newOrder = reordered.map((w) {
+          final keyStr = (w.key! as ValueKey<String>).value;
+          return int.parse(keyStr.replaceFirst('room-', ''));
+        }).toList();
         ref.read(roomActionsProvider.notifier).reorderRooms(newOrder);
       },
       builder: (reorderableChildren) {
+        final topPadding = MediaQuery.of(context).padding.top;
         return GridView.count(
           key: _gridViewKey,
           controller: _scrollController,
           crossAxisCount: 2,
-          padding: const EdgeInsets.all(12),
+          padding: EdgeInsets.fromLTRB(12, 12 + topPadding, 12, 12),
           mainAxisSpacing: 8,
           crossAxisSpacing: 8,
           childAspectRatio: 1.0,

lib/l10n/app_localizations.dart

@@ -397,25 +397,25 @@ abstract class AppLocalizations {
   /// No description provided for @templatePickerTitle.
   ///
   /// In de, this message translates to:
-  /// **'Aufgaben aus Vorlagen hinzuf\u00fcgen?'**
+  /// **'Aufgaben aus Vorlagen hinzufügen?'**
   String get templatePickerTitle;
 
   /// No description provided for @templatePickerSkip.
   ///
   /// In de, this message translates to:
-  /// **'\u00dcberspringen'**
+  /// **'Überspringen'**
   String get templatePickerSkip;
 
   /// No description provided for @templatePickerAdd.
   ///
   /// In de, this message translates to:
-  /// **'Hinzuf\u00fcgen'**
+  /// **'Hinzufügen'**
   String get templatePickerAdd;
 
   /// No description provided for @templatePickerSelected.
   ///
   /// In de, this message translates to:
-  /// **'{count} ausgew\u00e4hlt'**
+  /// **'{count} ausgewählt'**
   String templatePickerSelected(int count);
 }
 

lib/l10n/app_localizations_de.dart

@@ -166,16 +166,16 @@ class AppLocalizationsDe extends AppLocalizations {
   String get taskEmptyAction => 'Aufgabe erstellen';
 
   @override
-  String get templatePickerTitle => 'Aufgaben aus Vorlagen hinzuf\u00fcgen?';
+  String get templatePickerTitle => 'Aufgaben aus Vorlagen hinzufügen?';
 
   @override
-  String get templatePickerSkip => '\u00dcberspringen';
+  String get templatePickerSkip => 'Überspringen';
 
   @override
-  String get templatePickerAdd => 'Hinzuf\u00fcgen';
+  String get templatePickerAdd => 'Hinzufügen';
 
   @override
   String templatePickerSelected(int count) {
-    return '$count ausgew\u00e4hlt';
+    return '$count ausgewählt';
   }
 }