P1: path routing, prerender shells, E2E, and HelmetProvider donate fix.

Replace hash URLs with path-based routing, post-build prerender for money pages, Playwright smoke tests, and wrap the app in HelmetProvider so /donate mounts correctly.

Co-authored-by: Cursor <[email protected]>

e2e/forms.spec.ts

@@ -0,0 +1,19 @@
+import { test, expect } from '@playwright/test'
+
+test.describe('Assistance intake form', () => {
+  test('shows validation errors when required fields empty', async ({ page }) => {
+    await page.goto('/request-assistance/')
+    await page.getByRole('button', { name: /submit request/i }).click()
+    await expect(page.getByText(/required/i).first()).toBeVisible({ timeout: 20000 })
+  })
+})
+
+test.describe('Donate page', () => {
+  test('shows donate UI without mock payment success', async ({ page }) => {
+    page.on('dialog', () => {
+      throw new Error('Unexpected alert() on donate page')
+    })
+    await page.goto('/donate/')
+    await expect(page.getByRole('heading', { level: 1, name: 'Donate' })).toBeVisible({ timeout: 25000 })
+  })
+})