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>

system2-report/web/pages/safety/issue-detail.html

@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="/css/common.css?v=2026031401">
     <link rel="stylesheet" href="/css/project-management.css?v=2026031401">
     <link rel="icon" type="image/png" href="/img/favicon.png">
-    <script src="/js/api-base.js?v=2026031401"></script>
+    <script src="/js/api-base.js?v=2026040101"></script>
     <script src="/js/app-init.js?v=2026031401" defer></script>
     <script src="https://instant.page/5.2.0" type="module"></script>
     <style>