Fix reward code modal and mobile viewport dock

src/components/rpg-entry/RpgEntryHomeView.recharge.test.tsx

@@ -464,6 +464,18 @@ test('wallet ledger modal shows empty and error states', async () => {
   expect(screen.getByText('重新加载')).toBeTruthy();
 });
 
+test('opens reward code modal from profile action on mobile', async () => {
+  const user = userEvent.setup();
+
+  renderProfileView();
+  await user.click(screen.getByRole('button', { name: /兑换码/u }));
+
+  const modal = await screen.findByPlaceholderText('输入兑换码');
+  expect(modal).toBeTruthy();
+  expect(screen.getByRole('button', { name: '兑换' })).toBeTruthy();
+  expect(screen.getByLabelText('关闭兑换码')).toBeTruthy();
+});
+
 test('shows a reachable login entry in logged out mobile shell', async () => {
   const user = userEvent.setup();
   const openLoginModal = vi.fn();