modify nav..

src/layout/navigation.ts

@@ -7,7 +7,6 @@ import {
   Megaphone,
   Network,
   Rocket,
-  ServerCog,
   ShieldCheck,
   Users
 } from 'lucide-react';
@@ -80,19 +79,9 @@ export const navGroups: NavGroup[] = [
           { label: '장비 제어', path: '/runtime/devices' },
           { label: '설치 상태', path: '/agents/install-status' },
           { label: 'SSH 키 배포', path: '/agents/ssh-keys' },
-          { label: 'Workspace 설정', path: '/agents/workspace' },
           { label: '원격 명령', path: '/agents/commands' }
         ]
       },
-      {
-        label: '플랫폼 게이트웨이',
-        icon: ServerCog,
-        children: [
-          { label: '연결 상태', path: '/gateway/status' },
-          { label: 'Agent 관리', path: '/gateway/agents' },
-          { label: '장비 동기화', path: '/gateway/devices' }
-        ]
-      },
       {
         label: '인프라',
         icon: HardDrive,