fix(a11y): close cross-app interaction gaps

job-tracker-ui/src/public-cv-page.test.tsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import '@testing-library/jest-dom';
-import { render, screen } from '@testing-library/react';
+import { render, screen, waitFor } from '@testing-library/react';
 import { MemoryRouter, Route, Routes } from 'react-router-dom';
 
 import { api } from './api';
@@ -16,6 +16,8 @@ jest.mock('./api', () => ({
 const mockedApi = api as jest.Mocked<typeof api>;
 
 test('public CV exposes the rendered CV and PDF download', async () => {
+  const originalInnerWidth = window.innerWidth;
+  Object.defineProperty(window, 'innerWidth', { configurable: true, value: 375 });
   mockedApi.get.mockResolvedValueOnce({ data: { html: '<p>Public CV</p>', name: 'Ada Lovelace' } } as any);
 
   render(
@@ -24,7 +26,12 @@ test('public CV exposes the rendered CV and PDF download', async () => {
     </MemoryRouter>,
   );
 
-  expect(await screen.findByTitle('Public CV')).toHaveAttribute('srcdoc', '<p>Public CV</p>');
+  const frame = await screen.findByTitle('Public CV');
+  expect(frame).toHaveAttribute('srcdoc', '<p>Public CV</p>');
+  expect(Number.parseFloat(frame.style.width)).toBeGreaterThan(790);
+  await waitFor(() => expect(frame.style.transform).not.toBe('scale(1)'));
+  expect(Number.parseFloat(screen.getByTestId('public-cv-frame-container').style.width)).toBeLessThanOrEqual(343);
   expect(screen.getByRole('link', { name: 'Download PDF' })).toHaveAttribute('href', '/api/public-cv/public-slug/pdf');
   expect(mockedApi.get).toHaveBeenCalledWith('/public-cv/public-slug');
+  Object.defineProperty(window, 'innerWidth', { configurable: true, value: originalInnerWidth });
 });