fix(frontend): Set filter 改展开为 array，守门测试回绿

1 files changed, 1 insertions, 1 deletions

diff --git a/frontend/src/lib/mobileCss.test.ts b/frontend/src/lib/mobileCss.test.ts
index 43e0924..33e064c 100644
--- a/frontend/src/lib/mobileCss.test.ts
+++ b/frontend/src/lib/mobileCss.test.ts
@@ -58,7 +58,7 @@ describe('round5 守门：无自定义选择器（tailwind 工具类除外）',
   it('src/pages 90+ 处 class 全部是 tailwind 工具类（无 legacy 组件类名）', () => {
     const tokens = new Set();
     for (const src of pageSources) for (const c of extractClasses(src)) tokens.add(c);
-    const offenders = tokens.filter((c) => legacy.some((l) => c === l.slice(1) || c.startsWith(l)));
+    const offenders = [...tokens].filter((c) => legacy.some((l) => c === l.slice(1) || c.startsWith(l)));
     // data-testid 属性不是 class；tailwind 任意值与变体直接放行
     expect(offenders).toEqual([]);
   });