fix(cache): tkds→tkfb 변경 후 전 서비스 캐시 버스팅 갱신

tkfb-core.js v=2026040104, tksupport/tksafety/tkpurchase/tkuser-core.js,
system2 api-base.js, system3 app.js 캐시 버스팅 일괄 갱신.
브라우저 캐시에 남은 구버전(tkds 리다이렉트) 강제 갱신.

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

system1-factory/web/pages/attendance/monthly.html

@@ -489,7 +489,7 @@
     </div>
   </div>
 
-  <script src="/static/js/tkfb-core.js?v=2026040103"></script>
+  <script src="/static/js/tkfb-core.js?v=2026040104"></script>
   <script src="/js/api-base.js?v=2026031401"></script>
   <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
   <script>