fixes tile re-rendering after long rate limit periods without having to zoom/pan

lib/widgets/map_view.dart

@@ -63,6 +63,10 @@ class _MapViewState extends State<MapView> {
     
     // Ensure initial overlays are fetched
     WidgetsBinding.instance.addPostFrameCallback((_) {
+      // Set up tile refresh callback
+      final tileProvider = Provider.of<TileProviderWithCache>(context, listen: false);
+      tileProvider.setOnTilesCachedCallback(_onTilesCached);
+      
       _refreshCamerasFromProvider();
     });
   }
@@ -72,6 +76,15 @@ class _MapViewState extends State<MapView> {
     _positionSub?.cancel();
     _debounce.dispose();
     _cameraProvider.removeListener(_onCamerasUpdated);
+    
+    // Clean up tile refresh callback
+    try {
+      final tileProvider = Provider.of<TileProviderWithCache>(context, listen: false);
+      tileProvider.setOnTilesCachedCallback(null);
+    } catch (e) {
+      // Context might be disposed already - that's okay
+    }
+    
     super.dispose();
   }
 
@@ -79,6 +92,14 @@ class _MapViewState extends State<MapView> {
     if (mounted) setState(() {});
   }
 
+  void _onTilesCached() {
+    // When new tiles are cached, just trigger a widget rebuild
+    // This should cause the TileLayer to re-render with cached tiles
+    if (mounted) {
+      setState(() {});
+    }
+  }
+
   void _refreshCamerasFromProvider() {
     final appState = context.read<AppState>();
     LatLngBounds? bounds;
@@ -159,6 +180,8 @@ class _MapViewState extends State<MapView> {
 
 
 
+
+
   @override
   Widget build(BuildContext context) {
     final appState = context.watch<AppState>();