fix(ci): wait for vite overlay in d1 e2e

Author: sonofmagic

apps/mokup-d1-demo/test/e2e/d1-demo.spec.ts

@@ -9,6 +9,10 @@ test('d1 demo shows validation errors without bindings', async ({ page }) => {
     .poll(async () => page.getByTestId('status-message').textContent())
     .toContain('User load failed')
 
+  // Vite may briefly reload the worker client after startup in CI, which can
+  // leave the error overlay intercepting clicks even though the page has rendered.
+  await expect(page.locator('vite-error-overlay')).toBeHidden({ timeout: 15_000 })
+
   await page.getByTestId('auth-email-signin').click()
   await expect(page.getByTestId('status-message')).toContainText('Email and password are required')