refine dashboard infrastructure and resource status

src/layout/navigation.ts

@@ -2,6 +2,7 @@ import {
   Boxes,
   ChartNoAxesColumnIncreasing,
   FileKey,
+  HardDrive,
   LayoutDashboard,
   Megaphone,
   Network,
@@ -72,7 +73,7 @@ export const navGroups: NavGroup[] = [
         ]
       },
       {
-        label: 'Agent',
+        label: '에이전트',
         icon: ShieldCheck,
         children: [
           { label: '장비 등록', path: '/agents/registration' },
@@ -91,6 +92,16 @@ export const navGroups: NavGroup[] = [
           { label: 'Agent 관리', path: '/gateway/agents' },
           { label: '장비 동기화', path: '/gateway/devices' }
         ]
+      },
+      {
+        label: '인프라',
+        icon: HardDrive,
+        children: [
+          { label: '클러스터', path: '/infrastructure/cluster' },
+          { label: '워크로드', path: '/infrastructure/workloads' },
+          { label: '네트워크', path: '/infrastructure/network' },
+          { label: '스토리지', path: '/infrastructure/storage' }
+        ]
       }
     ]
   },