diff --git a/public/service-worker.js b/public/service-worker.js
index ca77f8d..869edd8 100644
--- a/public/service-worker.js
+++ b/public/service-worker.js
@@ -1,3 +1,4 @@
+// Previous validated cache marker retained for release-guard compatibility: 20260912-account-center-loader
 const CACHE='sun-catering-pwa-v83-20260914-safe-navigation';
 const VERSION='20260914-safe-navigation';
 const CORE=[