fix(admin): 生产环境隐藏并禁用自动化测试

侧栏与路由按服务端 NODE_ENV 控制；可通过 ALLOW_SMOKE_TESTS=true 临时开启。

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

apps/admin/src/composables/useSmokeTestsAllowed.ts

@@ -0,0 +1,24 @@
+import { ref } from 'vue';
+import api from '../api';
+
+const allowed = ref<boolean | null>(null);
+let loadPromise: Promise<void> | null = null;
+
+export function useSmokeTestsAllowed() {
+  async function ensureLoaded() {
+    if (allowed.value !== null) return;
+    if (!loadPromise) {
+      loadPromise = (async () => {
+        try {
+          const { data } = await api.get('/admin/system/smoke-tests');
+          allowed.value = !!data.data?.allowed;
+        } catch {
+          allowed.value = false;
+        }
+      })();
+    }
+    await loadPromise;
+  }
+
+  return { allowed, ensureLoaded };
+}