feat(flutter): 重设计创作与我的页面

test/home/k28_a_navigation_test.dart

@@ -40,6 +40,13 @@ void main() {
     expect(find.byKey(const Key('create-page')), findsOneWidget);
     expect(find.text('Create'), findsWidgets);
     expect(find.text('Stories become short dramas'), findsOneWidget);
+    expect(find.byKey(const Key('create-ai')), findsOneWidget);
+    expect(find.byKey(const Key('create-upload')), findsOneWidget);
+
+    await tester.tap(find.byKey(const Key('create-ai')));
+    await tester.pumpAndSettle();
+    expect(find.byKey(const Key('create-placeholder-page')), findsOneWidget);
+    expect(find.text('Coming soon'), findsOneWidget);
   });
 
   testWidgets('should_switch_home_channel_when_chip_is_tapped', (tester) async {