merge: 合并远程 A2 告警引擎分布式安全更新，保留本地日志中心等最新改动

frontend/src/components/layout/MainLayout.tsx

@@ -6,6 +6,7 @@ import { Sidebar } from './Sidebar';
 import { Header } from './Header';
 import { Breadcrumb } from './Breadcrumb';
 import { userApi } from '@/api';
+import type { JsonData } from '@/types/common';
 
 /**
  * MainLayout - 优化后的主布局组件
@@ -30,7 +31,7 @@ export function MainLayout() {
     if (!token || permissions !== null) return;
     let cancelled = false;
     userApi.getMyPermissions()
-      .then((data: any) => {
+      .then((data: JsonData) => {
         if (cancelled) return;
         const perms: string[] = data?.permissions ?? [];
         setPermissions(Array.isArray(perms) ? perms : []);