max zoom per tile type

lib/widgets/map/tile_layer_manager.dart

@@ -78,6 +78,7 @@ class TileLayerManager {
     return TileLayer(
       urlTemplate: urlTemplate,
       userAgentPackageName: 'me.deflock.deflockapp',
+      maxZoom: selectedTileType?.maxZoom?.toDouble() ?? 18.0,
       tileProvider: NetworkTileProvider(
         httpClient: _tileHttpClient,
         // Enable flutter_map caching - cache busting handled by URL changes and FlutterMap key

lib/widgets/map_view.dart

@@ -452,7 +452,7 @@ class MapViewState extends State<MapView> {
             options: MapOptions(
               initialCenter: _gpsController.currentLocation ?? _positionManager.initialLocation ?? LatLng(37.7749, -122.4194),
             initialZoom: _positionManager.initialZoom ?? 15,
-            maxZoom: 19,
+            maxZoom: (appState.selectedTileType?.maxZoom ?? 18).toDouble(),
             onPositionChanged: (pos, gesture) {
               setState(() {}); // Instant UI update for zoom, etc.
               if (gesture) widget.onUserGesture();