M9: [?] 도움 버튼을 차례 안내 옆으로, 튜토리얼 E2E, 기존 E2E는 요약 카드 본 것으로 처리

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

e2e/a11y.e2e.ts

@@ -8,7 +8,7 @@ import { join } from 'node:path';
 import { loadConfig } from '../apps/server/src/config';
 import { startServer } from '../apps/server/src/server';
 
-const PORT = 4520;
+const PORT = Number(process.env.E2E_PORT ?? 4520);
 const ORIGIN = `http://localhost:${PORT}`;
 const AXE = readFileSync(require.resolve('axe-core/axe.min.js'), 'utf8');
 const app = startServer({