fix(e2e): интеграционные тесты на стендах без mocks.

ift-ui/stage-ui гоняют stand/integration против живого API; mock-suite остаётся в CI.

Co-authored-by: Cursor <cursoragent@cursor.com>

e2e/helpers/standAuth.ts

@@ -0,0 +1,32 @@
+import type { Page } from '@playwright/test';
+
+/** Учётки superadmin со стенда (CI: load-stand-smoke-env.sh). */
+export function standAdminEmail(): string | undefined {
+    return process.env.SMOKE_ADMIN_EMAIL || process.env.ADMIN_SUPER_EMAIL || process.env.E2E_ADMIN_EMAIL;
+}
+
+export function standAdminPassword(): string | undefined {
+    return (
+        process.env.SMOKE_ADMIN_PASSWORD ||
+        process.env.ADMIN_SUPER_PASSWORD ||
+        process.env.E2E_ADMIN_PASSWORD
+    );
+}
+
+export function hasStandCredentials(): boolean {
+    return Boolean(standAdminEmail() && standAdminPassword());
+}
+
+/** Реальный login против admin-api стенда (без Playwright route mocks). */
+export async function loginAsStandAdmin(page: Page) {
+    const email = standAdminEmail();
+    const password = standAdminPassword();
+    if (!email || !password) {
+        throw new Error('Stand admin credentials missing (SMOKE_ADMIN_* / ADMIN_SUPER_*)');
+    }
+    await page.goto('/login');
+    await page.getByLabel(/email/i).fill(email);
+    await page.getByLabel(/пароль|password/i).fill(password);
+    await page.getByTestId('btn-login').click();
+    await page.getByTestId('layout-shell').waitFor({ state: 'visible', timeout: 30_000 });
+}