수정: 관리자 e2e 인증 흐름 안정화

tests/e2e/helpers/admin-auth.ts

@@ -0,0 +1,21 @@
+import { expect, type APIRequestContext, type Page } from '@playwright/test';
+
+export async function getAdminToken(
+  request: APIRequestContext,
+  baseUrl: string,
+  username: string,
+  password: string,
+) {
+  const response = await request.post(`${baseUrl}/api/auth/login`, {
+    data: { username, password },
+  });
+
+  expect(response.status(), 'login API should accept the configured admin credentials').toBe(200);
+  const body = await response.json();
+  expect(body?.token, 'login API should return a token').toBeTruthy();
+  return body.token as string;
+}
+
+export async function installAdminToken(page: Page, token: string) {
+  await page.addInitScript(value => localStorage.setItem('auth_token', value), token);
+}