diff --git a/public/service-worker.js b/public/service-worker.js
index daffb04..4cf5af7 100644
--- a/public/service-worker.js
+++ b/public/service-worker.js
@@ -1,5 +1,5 @@
-const CACHE='sun-catering-pwa-v80-20260912-account-center';
-const VERSION='20260912-account-center';
+const CACHE='sun-catering-pwa-v81-20260912-account-center-loader';
+const VERSION='20260912-account-center-loader';
 const CORE=[
   './','./index.html',
   `./core/sun-safe.js?v=${VERSION}`,`./core/performance.js?v=${VERSION}`,`./core/account-center-v1780.js?v=${VERSION}`,`./core/login-signature-v1776.js?v=${VERSION}`,`./core/data-layer-v1773.js?v=${VERSION}`,`./core/server-automation-v1770.js?v=${VERSION}`,`./core/hotfix-v1763.js?v=${VERSION}`,`./core/ops-ux-v1762.js?v=${VERSION}`,`./core/ux-fixes-v1764.js?v=${VERSION}`,`./core/pdf-engine.js?v=${VERSION}`,`./core/classic-offer-pdf-v1767.js?v=${VERSION}`,`./core/developer-console-v1768.js?v=${VERSION}`,`./core/offer-workspace-v1769.js?v=${VERSION}`,`./legacy/bootstrap.js?v=${VERSION}`,`./app-runtime.js?v=${VERSION}`,
@@ -34,11 +34,22 @@ function forceFresh(req){
   url.searchParams.set('__caterium_release',VERSION);
   return fetch(url.toString(),{cache:'no-store',credentials:'same-origin'}).then(res=>cachePut(req,res)).catch(()=>caches.match(req));
 }
+async function withAccountCenter(res){
+  if(!res)return res;
+  const type=String(res.headers.get('content-type')||'');
+  if(!type.includes('text/html'))return res;
+  const html=await res.text();
+  if(html.includes('core/account-center-v1780.js'))return new Response(html,{status:res.status,statusText:res.statusText,headers:res.headers});
+  const tag=`<script src="core/account-center-v1780.js?v=${VERSION}"></script>`;
+  const out=html.includes('</body>')?html.replace('</body>',`${tag}</body>`):html+tag;
+  const headers=new Headers(res.headers);headers.set('content-type','text/html; charset=utf-8');headers.set('cache-control','no-store, max-age=0');
+  return new Response(out,{status:res.status,statusText:res.statusText,headers});
+}
 self.addEventListener('fetch',event=>{
   const req=event.request;if(req.method!=='GET')return;
   const url=new URL(req.url);if(url.pathname.startsWith('/api/'))return;
   if(req.mode==='navigate'){
-    event.respondWith(fetch(req,{cache:'no-store'}).then(res=>{const clone=res.clone();caches.open(CACHE).then(c=>c.put('./index.html',clone)).catch(()=>{});return res}).catch(()=>caches.match('./index.html')));return;
+    event.respondWith(fetch(req,{cache:'no-store'}).then(async res=>{const clone=res.clone();caches.open(CACHE).then(c=>c.put('./index.html',clone)).catch(()=>{});return withAccountCenter(res)}).catch(async()=>withAccountCenter(await caches.match('./index.html'))));return;
   }
   if(CRITICAL_FRESH.has(url.pathname)){
     event.respondWith(forceFresh(req));return;
@@ -46,4 +57,4 @@ self.addEventListener('fetch',event=>{
   const freshAsset=/\.(?:js|css|webmanifest)$/i.test(url.pathname);
   if(freshAsset){event.respondWith(networkFirst(req));return;}
   event.respondWith(caches.match(req).then(cached=>cached||fetch(req,{cache:'no-store'}).then(res=>cachePut(req,res))));
-});
\ No newline at end of file
+});