AdminSchedule에도 AdminLayout 적용

- AdminHeader를 AdminLayout으로 교체
- 내부 레이아웃을 h-full flex flex-col overflow-hidden으로 조정
- 모든 Admin 페이지가 통일된 레이아웃 구조 사용

frontend/src/pages/pc/admin/AdminSchedule.jsx

@@ -11,7 +11,7 @@ import { useInView } from 'react-intersection-observer';
 
 import Toast from '../../../components/Toast';
 import Tooltip from '../../../components/Tooltip';
-import AdminHeader from '../../../components/admin/AdminHeader';
+import AdminLayout from '../../../components/admin/AdminLayout';
 import ConfirmDialog from '../../../components/admin/ConfirmDialog';
 import useScheduleStore from '../../../stores/useScheduleStore';
 import useToast from '../../../hooks/useToast';
@@ -576,7 +576,7 @@ function AdminSchedule() {
     }, [categories, categoryCounts]);
 
     return (
-        <div className="h-screen overflow-hidden bg-gray-50 flex flex-col">
+        <AdminLayout user={user}>
             <Toast toast={toast} onClose={() => setToast(null)} />
 
             {/* 삭제 확인 다이얼로그 */}
@@ -597,11 +597,8 @@ function AdminSchedule() {
                 loading={deleting}
             />
 
-            {/* 헤더 */}
+            {/* 메인 콘텐츠 - 전체 높이 차지 */}
-            <AdminHeader user={user} />
+            <div className="h-full flex flex-col overflow-hidden max-w-7xl mx-auto px-6 py-8 w-full">
-
-            {/* 메인 콘텐츠 */}
-            <main className="flex-1 flex flex-col overflow-hidden max-w-7xl mx-auto px-6 py-8 w-full">
                 {/* 브레드크럼 */}
                 <div className="flex-shrink-0 flex items-center gap-2 text-sm text-gray-400 mb-8">
                     <Link to="/admin/dashboard" className="hover:text-primary transition-colors">
@@ -1232,8 +1229,8 @@ function AdminSchedule() {
                         </div>
                     </div>
                 </div>
-            </main>
+            </div>
-        </div>
+        </AdminLayout>
     );
 }