fix:템플릿 관리 페이지 Toast 전역 변수 충돌 수정

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

resources/views/esign/templates.blade.php

@@ -22,8 +22,8 @@
 
 const CATEGORIES = ['일반', '근로계약', '공급계약', '비밀유지', '임대차'];
 
-// ─── Toast ───
-const Toast = ({ message, type = 'success', onClose }) => {
+// ─── TemplateToast ───
+const TemplateToast = ({ message, type = 'success', onClose }) => {
     useEffect(() => {
         const t = setTimeout(onClose, 3000);
         return () => clearTimeout(t);
@@ -291,7 +291,7 @@ className="w-full text-left px-3 py-1.5 text-sm text-red-600 hover:bg-red-50">
 
     return (
         <div className="p-4 sm:p-6">
-            {toast && <Toast message={toast.message} type={toast.type} onClose={() => setToast(null)} />}
+            {toast && <TemplateToast message={toast.message} type={toast.type} onClose={() => setToast(null)} />}
 
             {/* 헤더 */}
             <div className="flex items-center justify-between mb-5">