feat: Add repeater discovery onboarding flow

lib/screens/discovery_screen.dart

@@ -12,7 +12,9 @@ import '../widgets/compact_signal_indicator.dart' show SignalMetric;
 enum _DiscoveryListFilter { all, repeaters, sensors, others }
 
 class DiscoveryScreen extends StatefulWidget {
-  const DiscoveryScreen({super.key});
+  final bool autoDiscoverRepeatersOnOpen;
+
+  const DiscoveryScreen({super.key, this.autoDiscoverRepeatersOnOpen = false});
 
   @override
   State<DiscoveryScreen> createState() => _DiscoveryScreenState();
@@ -25,6 +27,7 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
   final Set<int> _runningDiscoveryTypes = <int>{};
   final TextEditingController _searchController = TextEditingController();
   bool _isResolvingAll = false;
+  bool _hasQueuedAutoRepeaterDiscovery = false;
   String _searchQuery = '';
   _DiscoveryListFilter _selectedFilter = _DiscoveryListFilter.all;
   late final Future<List<MeshMapNode>> _cachedNodesFuture;
@@ -35,6 +38,13 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
     _cachedNodesFuture = MeshMapNodesService.loadCachedNodes(
       cacheTtl: MeshMapNodesService.traceCacheTtl,
     );
+
+    if (widget.autoDiscoverRepeatersOnOpen) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        if (!mounted) return;
+        _autoDiscoverRepeaters();
+      });
+    }
   }
 
   @override
@@ -96,9 +106,10 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
         advertType: advertType,
       );
       if (!mounted) return;
+      final l10n = AppLocalizations.of(context)!;
       final label = switch (advertType) {
-        _repeaterAdvertType => 'Repeater discovery sent',
-        _sensorAdvertType => 'Sensor discovery sent',
+        _repeaterAdvertType => l10n.repeaterDiscoverySent,
+        _sensorAdvertType => l10n.sensorDiscoverySent,
         _ => 'Discovery sent',
       };
       ScaffoldMessenger.of(
@@ -113,6 +124,14 @@ class _DiscoveryScreenState extends State<DiscoveryScreen> {
     }
   }
 
+  Future<void> _autoDiscoverRepeaters() async {
+    if (_hasQueuedAutoRepeaterDiscovery) {
+      return;
+    }
+    _hasQueuedAutoRepeaterDiscovery = true;
+    await _discoverNodeType(_repeaterAdvertType);
+  }
+
   Future<void> _resolveAdvert(PendingAdvert advert) async {
     final keyHex = advert.publicKeyHex;
     if (_resolvingAdvertKeys.contains(keyHex)) return;

lib/screens/home_screen.dart

@@ -737,12 +737,10 @@ class _HomeScreenState extends State<HomeScreen>
     }
   }
 
-  void _showConnectionDialog(BuildContext context) {
-    showModalBottomSheet(
-      context: context,
-      isScrollControlled: true,
+  Future<void> _showConnectionDialog(BuildContext context) async {
+    await showConnectionDialogFlow(
+      context,
       backgroundColor: Colors.transparent,
-      builder: (context) => const ConnectionDialog(),
     );
   }
 

lib/screens/welcome_wizard_screen.dart

@@ -221,14 +221,13 @@ class _WelcomeWizardScreenState extends State<WelcomeWizardScreen> {
   }
 
   Future<void> _openConnectionDialog() async {
-    await showModalBottomSheet(
-      context: context,
-      isScrollControlled: true,
-      builder: (context) => const ConnectionDialog(),
+    final connected = await showConnectionDialogFlow(
+      context,
+      offerPostConnectRepeaterDiscovery: true,
     );
     if (!mounted) return;
     final connectionProvider = context.read<ConnectionProvider>();
-    if (connectionProvider.deviceInfo.isConnected) {
+    if (connected) {
       await connectionProvider.refreshDeviceInfo();
     }
     if (!mounted) return;