feat: Add professional ratings to cards, implement scroll-to-top on home tab re-tap, and improve agent type fetching in the hero section.

lib/features/home/presentation/screens/home_screen.dart

@@ -8,12 +8,21 @@ import 'package:real_estate_mobile/features/home/presentation/widgets/testimonia
 import 'package:real_estate_mobile/features/home/presentation/widgets/top_professionals_section.dart';
 import 'package:real_estate_mobile/features/home/presentation/widgets/trust_stats_section.dart';
 
+/// Global scroll controller for the home screen so the bottom nav can scroll to top.
+final homeScrollControllerProvider = Provider<ScrollController>((ref) {
+  final controller = ScrollController();
+  ref.onDispose(() => controller.dispose());
+  return controller;
+});
+
 class HomeScreen extends ConsumerWidget {
   const HomeScreen({super.key});
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
+    final scrollController = ref.watch(homeScrollControllerProvider);
     return SingleChildScrollView(
+      controller: scrollController,
       child: Column(
         children: [
           // Hero Section with Search