retry for location permission when follow-me enabled

lib/screens/home_screen.dart

@@ -19,6 +19,7 @@ class HomeScreen extends StatefulWidget {
 
 class _HomeScreenState extends State<HomeScreen> {
   final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
+  final GlobalKey<MapViewState> _mapViewKey = GlobalKey<MapViewState>();
   final MapController _mapController = MapController();
   bool _followMe = true;
 
@@ -51,7 +52,13 @@ class _HomeScreenState extends State<HomeScreen> {
             IconButton(
               tooltip: _followMe ? 'Disable follow‑me' : 'Enable follow‑me',
               icon: Icon(_followMe ? Icons.gps_fixed : Icons.gps_off),
-              onPressed: () => setState(() => _followMe = !_followMe),
+              onPressed: () {
+                setState(() => _followMe = !_followMe);
+                // If enabling follow-me, retry location init in case permission was granted
+                if (_followMe) {
+                  _mapViewKey.currentState?.retryLocationInit();
+                }
+              },
             ),
             IconButton(
               icon: const Icon(Icons.settings),
@@ -62,6 +69,7 @@ class _HomeScreenState extends State<HomeScreen> {
         body: Stack(
           children: [
             MapView(
+              key: _mapViewKey,
               controller: _mapController,
               followMe: _followMe,
               onUserGesture: () {

lib/widgets/map_view.dart

@@ -32,10 +32,10 @@ class MapView extends StatefulWidget {
   final VoidCallback onUserGesture;
 
   @override
-  State<MapView> createState() => _MapViewState();
+  State<MapView> createState() => MapViewState();
 }
 
-class _MapViewState extends State<MapView> {
+class MapViewState extends State<MapView> {
   late final MapController _controller;
   final Debouncer _cameraDebounce = Debouncer(kDebounceCameraRefresh);
   final Debouncer _tileDebounce = Debouncer(const Duration(milliseconds: 150));
@@ -84,6 +84,12 @@ class _MapViewState extends State<MapView> {
     if (mounted) setState(() {});
   }
 
+  /// Public method to retry location initialization (e.g., after permission granted)
+  void retryLocationInit() {
+    debugPrint('[MapView] Retrying location initialization');
+    _initLocation();
+  }
+
 
 
   void _refreshCamerasFromProvider() {