Restore standalone shell chrome

tests/e2e/smoke.spec.ts

@@ -36,7 +36,7 @@ test.describe("Smoke tests", () => {
     await expect(heading).toHaveText("Страница проверки");
 
     // Locale should be displayed
-    await expect(page.locator("text=ru")).toBeVisible();
+    await expect(page.getByText("ru-ru", { exact: true })).toBeVisible();
   });
 
   test("/en/smoke renders with English text", async ({ page, consoleMessages }) => {
@@ -47,7 +47,7 @@ test.describe("Smoke tests", () => {
     await expect(heading).toBeVisible({ timeout: 10000 });
     await expect(heading).toHaveText("Smoke test page");
 
-    await expect(page.locator("text=en")).toBeVisible();
+    await expect(page.getByText("en-en", { exact: true })).toBeVisible();
   });
 
   test("/xx/smoke shows 404 or unknown locale message", async ({ page, consoleMessages }) => {

tests/e2e/standalone-shell.spec.ts

@@ -0,0 +1,46 @@
+import { test, expect } from "./fixtures/console-gate";
+
+test.describe("TIRREDESIGN-30 — standalone header and footer", () => {
+  test("Russian standalone pages render Aeroflot shell around React content", async ({
+    page,
+    consoleMessages,
+  }) => {
+    await page.goto("/ru/smoke");
+    await page.waitForLoadState("domcontentloaded");
+
+    const header = page.getByTestId("standalone-header");
+    await expect(header).toBeVisible();
+    await expect(header).toContainText("Купить билет");
+    await expect(header).toContainText("Аэроэкспресс");
+    await expect(header).toContainText("Тестовая версия");
+
+    await expect(page.locator("#main-content h1")).toHaveText("Страница проверки");
+
+    const footer = page.getByTestId("standalone-footer");
+    await expect(footer).toBeVisible();
+    await expect(footer).toContainText("Контакты");
+    await expect(footer).toContainText("8 (800) 444-55-55");
+    await expect(footer).toContainText("© Авиакомпания «Аэрофлот» 2008-2026");
+  });
+
+  test("English standalone pages localize shell chrome", async ({
+    page,
+    consoleMessages,
+  }) => {
+    await page.goto("/en/smoke");
+    await page.waitForLoadState("domcontentloaded");
+
+    const header = page.getByTestId("standalone-header");
+    await expect(header).toBeVisible();
+    await expect(header).toContainText("Book a flight");
+    await expect(header).toContainText("Aeroexpress");
+    await expect(header).toContainText("Test version");
+
+    await expect(page.locator("#main-content h1")).toHaveText("Smoke test page");
+
+    const footer = page.getByTestId("standalone-footer");
+    await expect(footer).toBeVisible();
+    await expect(footer).toContainText("Contacts");
+    await expect(footer).toContainText("© Aeroflot 2008-2026");
+  });
+});