fix: show full garage stats independent of pagination

lib/screens/garage_screen.dart

@@ -33,6 +33,8 @@ class GarageScreen extends StatefulWidget {
 
 class GarageScreenState extends State<GarageScreen> {
   List<Map<String, dynamic>> _cars = [];
+  int _totalCarsCount = 0;
+  int _recentCarsCount = 0;
   bool _isLoading = true;
   bool _isLoadingMore = false;
   bool _hasMore = true;
@@ -79,6 +81,7 @@ class GarageScreenState extends State<GarageScreen> {
       _hasMore = true;
       _selectedIds.clear();
       _selectionMode = false;
+      _loadCollectionStats();
     }
 
     if (!_hasMore && !reset) return;
@@ -134,6 +137,43 @@ class GarageScreenState extends State<GarageScreen> {
     }
   }
 
+  Future<void> _loadCollectionStats() async {
+    try {
+      final weekAgoIso = DateTime.now()
+          .subtract(const Duration(days: 7))
+          .toUtc()
+          .toIso8601String();
+
+      final totalResult = await supabase
+          .from('hotwheels')
+          .select('id')
+          .eq('collection_id', widget.collectionId);
+
+      final recentResult = await supabase
+          .from('hotwheels')
+          .select('id')
+          .eq('collection_id', widget.collectionId)
+          .gte('created_at', weekAgoIso);
+
+      if (!mounted) return;
+      setState(() {
+        _totalCarsCount = totalResult.length;
+        _recentCarsCount = recentResult.length;
+      });
+    } catch (_) {
+      if (!mounted) return;
+      setState(() {
+        _totalCarsCount = _cars.length;
+        _recentCarsCount = _cars.where((c) {
+          final ts = c['created_at'];
+          final d = ts == null ? null : DateTime.tryParse(ts.toString());
+          final weekAgo = DateTime.now().subtract(const Duration(days: 7));
+          return d != null && d.isAfter(weekAgo);
+        }).length;
+      });
+    }
+  }
+
   List<Map<String, dynamic>> get _filteredCars {
     if (_searchQuery.isEmpty) return _cars;
     final q = _searchQuery.toLowerCase();
@@ -230,13 +270,13 @@ class GarageScreenState extends State<GarageScreen> {
                 children: [
                   _StatChip(
                     icon: Icons.directions_car,
-                    label: '${_cars.length}',
+                    label: '$_totalCarsCount',
                     subtitle: 'Total Cars',
                   ),
                   const SizedBox(width: 12),
                   _StatChip(
                     icon: Icons.new_releases,
-                    label: _recentCount(),
+                    label: '$_recentCarsCount',
                     subtitle: 'This Week',
                   ),
                 ],
@@ -365,17 +405,6 @@ class GarageScreenState extends State<GarageScreen> {
     );
   }
 
-  String _recentCount() {
-    final weekAgo = DateTime.now().subtract(const Duration(days: 7));
-    final count = _cars.where((c) {
-      final ts = c['created_at'];
-      if (ts == null) return false;
-      final d = DateTime.tryParse(ts.toString());
-      return d != null && d.isAfter(weekAgo);
-    }).length;
-    return '$count';
-  }
-
   void _toggleSelectionMode(bool enabled) {
     if (widget.isViewer && enabled) return;
     setState(() {