fix(proxy-input): 공종 드롭다운 필드명 수정

work_types API: id/name 반환 → work_type_id/work_type_name으로 접근하던 오류 수정

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

system1-factory/web/pages/work/proxy-input.html

@@ -106,7 +106,7 @@
 
     <script src="/static/js/tkfb-core.js?v=2026033108"></script>
     <script src="/js/api-base.js?v=2026031701"></script>
-    <script src="/js/proxy-input.js?v=2026033201"></script>
+    <script src="/js/proxy-input.js?v=2026033202"></script>
     <script>initAuth();</script>
 </body>
 </html>