chore: Initial commit

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XPovRHpejR4zRxuhjY4Qs3

test/widget_test.dart

@@ -0,0 +1,33 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:meshcore_sar_app/main.dart';
+import 'package:meshcore_sar_app/screens/home_screen.dart';
+import 'package:meshcore_sar_app/screens/welcome_wizard_screen.dart';
+
+void main() {
+  testWidgets('App launches smoke test', (WidgetTester tester) async {
+    // Build app.
+    await tester.pumpWidget(const MeshCoreSarApp());
+
+    // During async initialization, loading indicator is shown.
+    expect(find.byType(CircularProgressIndicator), findsOneWidget);
+
+    // Give async startup a bounded amount of time without requiring full settle
+    // (the app may keep background animations/timers alive).
+    await tester.pump(const Duration(seconds: 2));
+    expect(
+      find.byType(CircularProgressIndicator).evaluate().isNotEmpty ||
+          find.byType(HomeScreen).evaluate().isNotEmpty ||
+          find.byType(WelcomeWizardScreen).evaluate().isNotEmpty,
+      isTrue,
+    );
+  });
+}