fix: expose project registration and align Linux app id

SovereignAI-Starter/flutter_app/test/widget_test.dart

@@ -182,6 +182,39 @@ void main() {
     await chatCubit.close();
   });
 
+  testWidgets('project registration stays visible when sidebar is hidden', (
+    tester,
+  ) async {
+    tester.view.physicalSize = const Size(700, 600);
+    tester.view.devicePixelRatio = 1;
+    addTearDown(tester.view.resetPhysicalSize);
+    addTearDown(tester.view.resetDevicePixelRatio);
+
+    final api = _TestApiRepository();
+    final chatCubit = ChatCubit(
+      api,
+      settingsStore: LocalSettingsStore.inMemory(),
+    );
+    await tester.pumpWidget(
+      MultiRepositoryProvider(
+        providers: [RepositoryProvider<ApiRepository>.value(value: api)],
+        child: MultiBlocProvider(
+          providers: [
+            BlocProvider.value(value: chatCubit),
+            BlocProvider(create: (_) => VoiceCubit(api, AudioRecorder())),
+          ],
+          child: const SovereignApp(),
+        ),
+      ),
+    );
+    await tester.pumpAndSettle();
+
+    expect(find.text('مشاريعي'), findsNothing);
+    expect(find.byTooltip('تسجيل مشروع من مجلد موجود'), findsOneWidget);
+    expect(tester.takeException(), isNull);
+    await chatCubit.close();
+  });
+
   testWidgets('model selector displays capabilities reported by Ollama', (
     tester,
   ) async {