test(web-next): add Playwright config + smoke specs (home, about, blog 404)

apps/web-next/e2e/marketing-page.spec.ts

@@ -0,0 +1,10 @@
+import { test, expect } from "@playwright/test";
+
+test("/about renders the about marketing page", async ({ page }) => {
+  await page.goto("/about");
+  // Either renders the seeded page (h1 = "About us") or "not yet published" message
+  // — both are HTTP 200, so the test only checks it doesn't 500.
+  const status = (await page.context().request.get("/about")).status();
+  expect(status).toBe(200);
+  await expect(page.locator("body")).toBeVisible();
+});