feat: complete login and user management flow

src/layouts/AdminLayout.tsx

@@ -24,15 +24,23 @@ import {
   Users,
   UserX,
 } from 'lucide-react';
+import { Navigate } from 'react-router-dom';
+import { readSession } from '@/api/session';
 import { AppShell } from '@/layouts/AppShell';
 
 export function AdminLayout() {
+  const session = readSession();
+  if (session?.portal !== 'admin') {
+    return <Navigate to="/admin/login" replace />;
+  }
+
   return (
     <AppShell
       title="CMPP 运营端"
       subtitle="平台运营管理中心"
       workspaceName="平台运营工作区"
-      userName="运营"
+      loginPath="/admin/login"
+      userName={session.user.displayName}
       userRole="平台管理员"
       auditNotifications={[
         { label: '企业认证审核', count: 3, to: '/admin/enterprise-audit' },