Add Playwright e2e coverage and Node 20 pin

frontend/e2e/navigation.spec.ts

@@ -0,0 +1,36 @@
+import { expect, test } from '@playwright/test'
+
+test.describe('authenticated navigation smoke tests', () => {
+  test('dashboard loads for an authenticated user', async ({ page }) => {
+    await page.goto('/')
+
+    await expect(page.getByTestId('app-shell')).toBeVisible()
+    await expect(
+      page.getByRole('heading', { name: /Good (morning|afternoon|evening)/ }),
+    ).toBeVisible()
+  })
+
+  test('session history page loads', async ({ page }) => {
+    await page.goto('/sessions')
+
+    await expect(
+      page.getByRole('heading', { name: 'Session History' }),
+    ).toBeVisible()
+  })
+
+  test('feedback page loads', async ({ page }) => {
+    await page.goto('/feedback')
+
+    await expect(
+      page.getByRole('heading', { name: 'Send Feedback' }),
+    ).toBeVisible()
+  })
+
+  test('account settings page loads', async ({ page }) => {
+    await page.goto('/account')
+
+    await expect(
+      page.getByRole('heading', { name: 'Account Settings' }),
+    ).toBeVisible()
+  })
+})