클라이언트 목록 및 상세 화면에 복사 피드백 적용

devfront/src/components/layout/AppLayout.tsx

@@ -1,6 +1,7 @@
 import { BadgeCheck, Moon, ShieldHalf, Sun } from "lucide-react";
 import { useEffect, useState } from "react";
 import { NavLink, Outlet } from "react-router-dom";
+import { Toaster } from "../ui/toaster";
 
 const navItems = [{ label: "Clients", to: "/clients", icon: ShieldHalf }];
 
@@ -105,6 +106,7 @@ function AppLayout() {
           <Outlet />
         </main>
       </div>
+      <Toaster />
     </div>
   );
 }