에러 수정

frontend/app/(main)/admin/dashboard/page.tsx

@@ -5,10 +5,14 @@ import { useRouter } from "next/navigation";
 import { dashboardApi } from "@/lib/api/dashboard";
 import { Dashboard } from "@/lib/api/dashboard";
 import { Button } from "@/components/ui/button";
-import { Card, CardContent } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
 import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table";
-import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu";
 import {
   AlertDialog,
   AlertDialogAction,
@@ -21,7 +25,7 @@ import {
 } from "@/components/ui/alert-dialog";
 import { useToast } from "@/hooks/use-toast";
 import { Pagination, PaginationInfo } from "@/components/common/Pagination";
-import { Plus, Search, Edit, Trash2, Copy, LayoutDashboard, MoreHorizontal } from "lucide-react";
+import { Plus, Search, Edit, Trash2, Copy, MoreVertical } from "lucide-react";
 
 /**
  * 대시보드 관리 페이지
@@ -197,23 +201,6 @@ export default function DashboardListPage() {
           </Button>
         </div>
 
-        {/* 에러 메시지 */}
-        {error && (
-          <div className="border-destructive/50 bg-destructive/10 rounded-lg border p-4">
-            <div className="flex items-center justify-between">
-              <p className="text-destructive text-sm font-semibold">오류가 발생했습니다</p>
-              <button
-                onClick={() => setError(null)}
-                className="text-destructive hover:text-destructive/80 transition-colors"
-                aria-label="에러 메시지 닫기"
-              >
-                ✕
-              </button>
-            </div>
-            <p className="text-destructive/80 mt-1.5 text-sm">{error}</p>
-          </div>
-        )}
-
         {/* 대시보드 목록 */}
         {dashboards.length === 0 ? (
           <div className="bg-card flex h-64 flex-col items-center justify-center rounded-lg border shadow-sm">
@@ -315,24 +302,6 @@ export default function DashboardListPage() {
           </AlertDialogFooter>
         </AlertDialogContent>
       </AlertDialog>
-
-      {/* 성공 모달 */}
-      <Dialog open={successDialogOpen} onOpenChange={setSuccessDialogOpen}>
-        <DialogContent className="max-w-[95vw] sm:max-w-md">
-          <DialogHeader>
-            <div className="bg-primary/10 mx-auto flex h-12 w-12 items-center justify-center rounded-full">
-              <CheckCircle2 className="text-primary h-6 w-6" />
-            </div>
-            <DialogTitle className="text-center text-base sm:text-lg">완료</DialogTitle>
-            <DialogDescription className="text-center text-xs sm:text-sm">{successMessage}</DialogDescription>
-          </DialogHeader>
-          <div className="flex justify-center pt-4">
-            <Button onClick={() => setSuccessDialogOpen(false)} className="h-8 text-xs sm:h-10 sm:text-sm">
-              확인
-            </Button>
-          </div>
-        </DialogContent>
-      </Dialog>
     </div>
   );
 }