Added chatterbox connections

labs/glitch_odin/gm/test/widget_test.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:glitch_gm_lab/main.dart';
+import 'package:http/http.dart' as http;
+import 'package:http/testing.dart';
+
+void main() {
+  testWidgets('commands remain disabled without cabinet state', (tester) async {
+    final client = MockClient((_) async => http.Response('{}', 503));
+    await tester.pumpWidget(MaterialApp(home: CabinetPage(client: client)));
+    await tester.pump();
+    expect(find.text('INTEGRATION LAB - SIMULATED CABINET'), findsOneWidget);
+    expect(find.text('Power on'), findsOneWidget);
+    for (final button in tester.widgetList<FilledButton>(find.byType(FilledButton))) {
+      expect(button.onPressed, isNull);
+    }
+    expect(find.textContaining('Disconnected'), findsOneWidget);
+    await tester.pumpWidget(const SizedBox());
+  });
+}