fix(login): move remember password below submit

tests/e2e/app-smoke.spec.ts

@@ -35,6 +35,17 @@ test.describe('Makelore Electron smoke flows', () => {
       .toHaveAttribute('aria-selected', 'true');
     await expect(page.getByLabel('用户名', { exact: true })).toBeVisible();
     await expect(page.getByLabel('密码', { exact: true })).toBeVisible();
+    const loginButton = page.getByRole('button', { name: '登录', exact: true });
+    const rememberPasswordCheckbox = page.getByRole('checkbox', { name: '记住密码', exact: true });
+    await expect(rememberPasswordCheckbox).toBeVisible();
+    const [loginButtonBox, rememberPasswordBox] = await Promise.all([
+      loginButton.boundingBox(),
+      rememberPasswordCheckbox.boundingBox(),
+    ]);
+    if (!loginButtonBox || !rememberPasswordBox) {
+      throw new Error('Login controls did not produce visible bounds');
+    }
+    expect(rememberPasswordBox.y).toBeGreaterThan(loginButtonBox.y + loginButtonBox.height);
     await expect(page.getByRole('button', { name: '在浏览器中继续', exact: true })).toHaveCount(0);
   });
 

tests/unit/login-page.test.tsx

@@ -108,7 +108,13 @@ describe('Login page', () => {
     expect(screen.getByRole('tab', { name: '验证码登录' })).toHaveAttribute('aria-selected', 'false');
     expect(screen.getByLabelText('用户名')).toHaveAttribute('autocomplete', 'username');
     expect(screen.getByLabelText('密码')).toHaveAttribute('autocomplete', 'current-password');
-    expect(await screen.findByRole('checkbox', { name: '记住密码' })).toBeEnabled();
+    const rememberPasswordCheckbox = await screen.findByRole('checkbox', { name: '记住密码' });
+    const loginButton = screen.getByRole('button', { name: '登录' });
+    expect(rememberPasswordCheckbox).toBeEnabled();
+    expect(
+      loginButton.compareDocumentPosition(rememberPasswordCheckbox)
+        & Node.DOCUMENT_POSITION_FOLLOWING,
+    ).toBe(Node.DOCUMENT_POSITION_FOLLOWING);
     expect(screen.queryByText(/浏览器|微信|注册/)).not.toBeInTheDocument();
   });