fix: Restore telemetry refresh behavior

ref:

test/screens/discovery_screen_test.dart

@@ -0,0 +1,190 @@
+import 'dart:typed_data';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:meshcore_sar_app/l10n/app_localizations.dart';
+import 'package:meshcore_sar_app/models/device_info.dart' as device_info;
+import 'package:meshcore_sar_app/providers/connection_provider.dart';
+import 'package:meshcore_sar_app/providers/contacts_provider.dart';
+import 'package:meshcore_sar_app/screens/discovery_screen.dart';
+import 'package:provider/provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class _FakeConnectionProvider extends ConnectionProvider {
+  _FakeConnectionProvider({required bool isConnected})
+    : _isConnected = isConnected;
+
+  final bool _isConnected;
+  final List<int> discoveredAdvertTypes = <int>[];
+
+  @override
+  device_info.DeviceInfo get deviceInfo => device_info.DeviceInfo(
+    connectionState: _isConnected
+        ? device_info.ConnectionState.connected
+        : device_info.ConnectionState.disconnected,
+  );
+
+  @override
+  Future<void> discoverNodeType({
+    required int advertType,
+    bool prefixOnly = false,
+    int since = 0,
+  }) async {
+    discoveredAdvertTypes.add(advertType);
+  }
+}
+
+Future<void> _pumpDiscoveryScreen(
+  WidgetTester tester, {
+  ContactsProvider? contactsProvider,
+  ConnectionProvider? connectionProvider,
+}) async {
+  final resolvedContactsProvider = contactsProvider ?? ContactsProvider();
+  final resolvedConnectionProvider =
+      connectionProvider ?? _FakeConnectionProvider(isConnected: true);
+
+  await tester.pumpWidget(
+    MultiProvider(
+      providers: [
+        ChangeNotifierProvider<ContactsProvider>.value(
+          value: resolvedContactsProvider,
+        ),
+        ChangeNotifierProvider<ConnectionProvider>.value(
+          value: resolvedConnectionProvider,
+        ),
+      ],
+      child: MaterialApp(
+        localizationsDelegates: AppLocalizations.localizationsDelegates,
+        supportedLocales: AppLocalizations.supportedLocales,
+        home: const DiscoveryScreen(),
+      ),
+    ),
+  );
+
+  await tester.pumpAndSettle();
+}
+
+Uint8List _publicKey(int seed) {
+  final bytes = Uint8List(32);
+  bytes[0] = seed;
+  bytes[1] = seed + 1;
+  bytes[2] = seed + 2;
+  return bytes;
+}
+
+void main() {
+  setUp(() {
+    SharedPreferences.setMockInitialValues({});
+  });
+
+  testWidgets(
+    'discovery actions are shown in the summary card instead of overflow menu',
+    (tester) async {
+      tester.view.physicalSize = const Size(375, 812);
+      tester.view.devicePixelRatio = 1;
+      addTearDown(tester.view.reset);
+
+      final connectionProvider = _FakeConnectionProvider(isConnected: true);
+
+      await _pumpDiscoveryScreen(
+        tester,
+        connectionProvider: connectionProvider,
+      );
+
+      expect(tester.takeException(), isNull);
+      expect(find.text('Discover repeaters'), findsOneWidget);
+      expect(find.text('Discover sensors'), findsOneWidget);
+      expect(find.text('Resolve all'), findsOneWidget);
+      expect(find.text('Clear all'), findsOneWidget);
+      expect(find.text('Search discovered nodes'), findsNothing);
+      expect(find.byIcon(Icons.more_vert), findsNothing);
+      expect(
+        find.text(
+          'Use the discovery actions above to find repeaters and sensors on the mesh.',
+        ),
+        findsOneWidget,
+      );
+
+      await tester.tap(find.text('Discover repeaters'));
+      await tester.pump();
+
+      expect(connectionProvider.discoveredAdvertTypes, [2]);
+      expect(find.text('Repeater discovery sent'), findsOneWidget);
+    },
+  );
+
+  testWidgets('search and inline type filters narrow discovered nodes', (
+    tester,
+  ) async {
+    tester.view.physicalSize = const Size(390, 1400);
+    tester.view.devicePixelRatio = 1;
+    addTearDown(tester.view.reset);
+
+    final contactsProvider = ContactsProvider()
+      ..addOrUpdatePendingAdvertMetadata(
+        publicKey: _publicKey(0x10),
+        typeValue: 2,
+        advName: 'Relay Alpha',
+      )
+      ..addOrUpdatePendingAdvertMetadata(
+        publicKey: _publicKey(0x20),
+        typeValue: 4,
+        advName: 'WX Station',
+      )
+      ..addOrUpdatePendingAdvertMetadata(
+        publicKey: _publicKey(0x30),
+        typeValue: 3,
+        advName: 'Ops Room',
+      );
+
+    await _pumpDiscoveryScreen(
+      tester,
+      contactsProvider: contactsProvider,
+      connectionProvider: _FakeConnectionProvider(isConnected: true),
+    );
+
+    expect(find.text('Search discovered nodes'), findsOneWidget);
+    expect(find.text('All'), findsOneWidget);
+    expect(find.text('Repeaters'), findsOneWidget);
+    expect(find.text('Sensors'), findsOneWidget);
+    expect(find.text('Others'), findsOneWidget);
+
+    expect(find.text('Relay Alpha'), findsOneWidget);
+    expect(find.text('WX Station'), findsOneWidget);
+    expect(find.text('Ops Room'), findsOneWidget);
+
+    await tester.tap(find.text('Sensors'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('Relay Alpha'), findsNothing);
+    expect(find.text('WX Station'), findsOneWidget);
+    expect(find.text('Ops Room'), findsNothing);
+    expect(find.text('Discovered nodes (1/3)'), findsOneWidget);
+
+    await tester.tap(find.text('Others'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('Relay Alpha'), findsNothing);
+    expect(find.text('WX Station'), findsNothing);
+    expect(find.text('Ops Room'), findsOneWidget);
+
+    await tester.enterText(find.byType(TextField), 'relay');
+    await tester.pumpAndSettle();
+
+    expect(find.text('No matches'), findsOneWidget);
+
+    await tester.tap(find.text('All'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('Relay Alpha'), findsOneWidget);
+    expect(find.text('Ops Room'), findsNothing);
+
+    await tester.enterText(find.byType(TextField), 'ops');
+    await tester.pumpAndSettle();
+
+    expect(find.text('Relay Alpha'), findsNothing);
+    expect(find.text('WX Station'), findsNothing);
+    expect(find.text('Ops Room'), findsOneWidget);
+    expect(find.text('Discovered nodes (1/3)'), findsOneWidget);
+  });
+}