Center map on user location

lib/screens/mapflow_shell.dart

@@ -39,13 +39,15 @@ class MapflowShell extends ConsumerWidget {
 class _MapContent extends ConsumerWidget {
   const _MapContent({required this.state});
 
-  static const _center = LatLng(10.7718, 106.6982);
+  static const _fallbackCenter = LatLng(10.7718, 106.6982);
 
   final PlaceState state;
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final selected = state.selectedPlace;
+    final userCoordinate = state.userCoordinate;
+    final mapCenter = userCoordinate ?? selected?.coordinate ?? _fallbackCenter;
     final availableTraits = {
       for (final place in state.recommendations) ...place.traits,
     }.toList();
@@ -55,7 +57,7 @@ class _MapContent extends ConsumerWidget {
         children: [
           FlutterMap(
             options: MapOptions(
-              initialCenter: selected?.coordinate ?? _center,
+              initialCenter: mapCenter,
               initialZoom: 14.2,
               minZoom: 3,
               maxZoom: 18,
@@ -76,6 +78,13 @@ class _MapContent extends ConsumerWidget {
                             .selectPlace(place.id),
                       ),
                     ),
+                  if (userCoordinate != null)
+                    Marker(
+                      width: 30,
+                      height: 30,
+                      point: userCoordinate,
+                      child: const _UserLocationMarker(),
+                    ),
                 ],
               ),
               const _MapAttribution(),
@@ -122,7 +131,10 @@ class _MapContent extends ConsumerWidget {
               child: Padding(
                 padding: const EdgeInsets.only(right: 12),
                 child: FloatingActionButton(
-                  onPressed: () => _openAddFlow(context, selected?.coordinate),
+                  onPressed: () => _openAddFlow(
+                    context,
+                    userCoordinate ?? selected?.coordinate,
+                  ),
                   child: const Icon(Icons.add_location_alt_outlined),
                 ),
               ),
@@ -138,7 +150,7 @@ class _MapContent extends ConsumerWidget {
       MaterialPageRoute<void>(
         fullscreenDialog: true,
         builder: (_) => AddExperienceFlow(
-          coordinate: coordinate ?? _center,
+          coordinate: coordinate ?? _fallbackCenter,
           hasTelegramAuth: state.hasTelegramAuth,
         ),
       ),
@@ -146,6 +158,32 @@ class _MapContent extends ConsumerWidget {
   }
 }
 
+class _UserLocationMarker extends StatelessWidget {
+  const _UserLocationMarker();
+
+  @override
+  Widget build(BuildContext context) {
+    final color = Theme.of(context).colorScheme.primary;
+    return DecoratedBox(
+      decoration: BoxDecoration(
+        shape: BoxShape.circle,
+        color: color.withValues(alpha: 0.18),
+      ),
+      child: Center(
+        child: Container(
+          width: 14,
+          height: 14,
+          decoration: BoxDecoration(
+            shape: BoxShape.circle,
+            color: color,
+            border: Border.all(color: Colors.white, width: 3),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
 class _UserAvatar extends StatelessWidget {
   const _UserAvatar({required this.user, required this.onLogout});
 
@@ -403,20 +441,7 @@ class _MapLoading extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
-      body: Stack(
-        children: [
-          FlutterMap(
-            options: const MapOptions(
-              initialCenter: LatLng(10.7718, 106.6982),
-              initialZoom: 14.2,
-            ),
-            children: [const _BaseMapTileLayer(), const _MapAttribution()],
-          ),
-          const Center(child: CircularProgressIndicator()),
-        ],
-      ),
-    );
+    return const Scaffold(body: Center(child: CircularProgressIndicator()));
   }
 }