refactor: trakt/download hardening and cleanup sweep

lib/screens/libraries/adaptive_media_grid.dart

@@ -73,9 +73,10 @@ class AdaptiveMediaGrid<T> extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Consumer<SettingsProvider>(
-      builder: (context, settingsProvider, child) {
-        return _buildItemsView(context, settingsProvider.viewMode, settingsProvider.libraryDensity);
+    return Selector<SettingsProvider, (ViewMode, int)>(
+      selector: (_, p) => (p.viewMode, p.libraryDensity),
+      builder: (context, slice, _) {
+        return _buildItemsView(context, slice.$1, slice.$2);
       },
     );
   }

lib/screens/libraries/tabs/library_browse_tab.dart

@@ -1228,7 +1228,7 @@ class _LibraryBrowseTabState extends BaseLibraryTabState<PlexMetadata, LibraryBr
   /// Compute initial fetch size based on viewport dimensions.
   int _calculateInitialFetchSize() {
     try {
-      final screenSize = MediaQuery.of(context).size;
+      final screenSize = MediaQuery.sizeOf(context);
       final settingsProvider = context.read<SettingsProvider>();
       final maxExtent = GridSizeCalculator.getMaxCrossAxisExtent(context, settingsProvider.libraryDensity);
       final crossAxisSpacing = GridLayoutConstants.crossAxisSpacing;