fix: improve E2E test stability for onboarding page check

- Wait for network idle and loading screen before checking page state
- Add proper timeouts to element visibility assertions

Co-Authored-By: Claude <[email protected]>

Author: mchestr

e2e/public-flows.spec.ts

@@ -51,17 +51,20 @@ test.describe('Public Flows', () => {
   });
 
   test('onboarding page accessibility check', async ({ page }) => {
-
     await page.goto('/onboarding');
 
+    // Wait for any redirects to complete
+    await page.waitForLoadState('networkidle');
+    await waitForLoadingGone(page);
+
     const isHome = page.url().endsWith('/');
     const isSignin = page.url().includes('signin');
     const isOnboarding = page.url().includes('/onboarding');
 
     if (isOnboarding) {
       // If we stay on onboarding, verify the wizard is visible
-      await expect(page.getByTestId('onboarding-wizard-heading')).toBeVisible();
-      await expect(page.getByTestId('onboarding-wizard-subheading')).toBeVisible();
+      await expect(page.getByTestId('onboarding-wizard-heading')).toBeVisible({ timeout: WAIT_TIMEOUTS.PAGE_CONTENT });
+      await expect(page.getByTestId('onboarding-wizard-subheading')).toBeVisible({ timeout: WAIT_TIMEOUTS.PAGE_CONTENT });
     } else {
       // If redirected, ensure we are on a safe page
       expect(isHome || isSignin).toBeTruthy();