feat: Add shadcn worker UI

test/widgets/traffic_stats_reporting_section_test.dart

@@ -0,0 +1,94 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:http/http.dart' as http;
+import 'package:http/testing.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'package:meshcore_sar_app/services/traffic_stats_reporting_service.dart';
+import 'package:meshcore_sar_app/widgets/settings/traffic_stats_reporting_section.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  final launchedUrls = <String>[];
+
+  setUp(() {
+    launchedUrls.clear();
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(
+          const MethodChannel('plugins.flutter.io/url_launcher'),
+          (call) async {
+            switch (call.method) {
+              case 'canLaunch':
+                return true;
+              case 'launch':
+                final arguments = Map<dynamic, dynamic>.from(
+                  call.arguments as Map<dynamic, dynamic>,
+                );
+                launchedUrls.add(arguments['url'] as String);
+                return true;
+            }
+            return null;
+          },
+        );
+  });
+
+  tearDown(() {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(
+          const MethodChannel('plugins.flutter.io/url_launcher'),
+          null,
+        );
+  });
+
+  testWidgets('toggles reporting with a fixed 5 minute interval', (
+    tester,
+  ) async {
+    SharedPreferences.setMockInitialValues({});
+    final service = TrafficStatsReportingService(
+      client: MockClient((request) async => http.Response('{}', 200)),
+      now: () => DateTime.utc(2026, 4, 3, 10, 6),
+      appVersionProvider: () async => '2026.0402.1+44',
+    );
+    await service.initialize(
+      deviceKey6Provider: () => 'a1b2c3d4e5f6',
+    );
+
+    await tester.pumpWidget(
+      MaterialApp(
+        home: Scaffold(
+          body: ListenableBuilder(
+            listenable: service,
+            builder: (context, child) => TrafficStatsReportingSection(
+              service: service,
+            ),
+          ),
+        ),
+      ),
+    );
+
+    expect(find.text('Anonymous RX stats reporting'), findsOneWidget);
+    expect(
+      find.text(
+        'Upload RX live-traffic packet type and path mode totals to the fixed Cloudflare worker every 5 minutes.',
+      ),
+      findsOneWidget,
+    );
+    expect(find.text('Reporting interval'), findsNothing);
+    expect(service.isEnabled, isFalse);
+
+    await tester.tap(find.byType(Switch));
+    await tester.pumpAndSettle();
+
+    expect(service.isEnabled, isTrue);
+    expect(service.intervalMinutes, 5);
+
+    await tester.tap(find.widgetWithText(TextButton, 'View public stats'));
+    await tester.pump();
+
+    expect(launchedUrls, ['https://mcstats.dz0ny.dev']);
+
+    service.dispose();
+  });
+}