fix:템플릿 카테고리를 영업파트너/고객으로 변경

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

resources/views/esign/templates.blade.php

@@ -20,7 +20,7 @@
     'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]')?.content || csrfToken,
 });
 
-const CATEGORIES = ['일반', '근로계약', '공급계약', '비밀유지', '임대차'];
+const CATEGORIES = ['영업파트너', '고객'];
 
 // ─── TemplateToast ───
 const TemplateToast = ({ message, type = 'success', onClose }) => {