feat(ui): 新增登录入口与我的页预览

test/account/mine_account_entry_test.dart

@@ -46,6 +46,8 @@ void main() {
 
     await tester.tap(find.byKey(const Key('tab-my')));
     await tester.pumpAndSettle();
+    await tester.drag(find.byType(ListView), const Offset(0, -520));
+    await tester.pumpAndSettle();
 
     expect(find.byKey(const Key('mine-account-card')), findsOneWidget);
     expect(find.byKey(const Key('mine-account-profile')), findsOneWidget);