laggy on android, UX needs polish

lib/screens/home_screen.dart

@@ -13,7 +13,6 @@ import '../services/localization_service.dart';
 import '../widgets/add_node_sheet.dart';
 import '../widgets/edit_node_sheet.dart';
 import '../widgets/node_tag_sheet.dart';
-import '../widgets/camera_provider_with_cache.dart';
 import '../widgets/download_area_dialog.dart';
 import '../widgets/measured_sheet.dart';
 import '../widgets/navigation_sheet.dart';
@@ -49,6 +48,9 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
   // Flag to prevent map bounce when transitioning from tag sheet to edit sheet
   bool _transitioningToEdit = false;
   
+  // Track node limit state for button disabling
+  bool _isNodeLimitActive = false;
+  
   // Track selected node for highlighting
   int? _selectedNodeId;
   
@@ -546,6 +548,7 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
           },
           child: NodeTagSheet(
             node: node,
+            isNodeLimitActive: _isNodeLimitActive,
             onEditPressed: () {
               // Check minimum zoom level before starting edit session
               final currentZoom = _mapController.mapController.camera.zoom;
@@ -666,13 +669,9 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
                 ? _navigationSheetHeight
                 : _tagSheetHeight));
 
-    return MultiProvider(
-      providers: [
-        ChangeNotifierProvider<CameraProviderWithCache>(create: (_) => CameraProviderWithCache()),
-      ],
-      child: MediaQuery(
-        data: MediaQuery.of(context).copyWith(viewInsets: EdgeInsets.zero),
-        child: Scaffold(
+    return MediaQuery(
+      data: MediaQuery.of(context).copyWith(viewInsets: EdgeInsets.zero),
+      child: Scaffold(
         key: _scaffoldKey,
         appBar: AppBar(
           automaticallyImplyLeading: false, // Disable automatic back button
@@ -717,6 +716,11 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
               onNodeTap: openNodeTagSheet,
               onSuspectedLocationTap: openSuspectedLocationSheet,
               onSearchPressed: _onNavigationButtonPressed,
+              onNodeLimitChanged: (isLimited) {
+                setState(() {
+                  _isNodeLimitActive = isLimited;
+                });
+              },
               onUserGesture: () {
                 if (appState.followMeMode != FollowMeMode.off) {
                   appState.setFollowMeMode(FollowMeMode.off);
@@ -771,7 +775,7 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
                                 builder: (context, child) => ElevatedButton.icon(
                                   icon: Icon(Icons.add_location_alt),
                                   label: Text(LocalizationService.instance.tagNode),
-                                  onPressed: _openAddNodeSheet,
+                                  onPressed: _isNodeLimitActive ? null : _openAddNodeSheet,
                                   style: ElevatedButton.styleFrom(
                                     minimumSize: Size(0, 48),
                                     textStyle: TextStyle(fontSize: 16),
@@ -828,7 +832,6 @@ class _HomeScreenState extends State<HomeScreen> with TickerProviderStateMixin {
           ],
         ),
       ),
-      ),
     );
   }
 }