diff --git a/docs/index.html b/docs/index.html
index 306fc3f..42c88ef 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -245,8 +245,8 @@ const lastAssistantId=()=>{const a=[...el.messages.querySelectorAll('.msg-bubble
 const getBubbleById=id=>el.messages.querySelector(`.msg-bubble[data-mid="${CSS.escape(id)}"]`)
 async function syncTranscript(){const id=lastAssistantId();if(!id)return false;const bubble=getBubbleById(id);if(!bubble)return false;const j=await fetchTranscript(id).catch(()=>null);if(!j||j.rid!==id){if(j&&j.error){setBtnSend();state.busy=false;const t=(bubble.textContent||'')+'\n\n'+j.error;renderMarkdown(bubble,t,{enhance:false});enhanceCodeBlocks(bubble,true);const i=state.messages.findIndex(m=>m.id===id);if(i>=0)state.messages[i].content=[{type:'text',text:t}];else state.messages.push({id,role:'assistant',content:[{type:'text',text:t}]});persistThread()}return false}const t=j.text||'';renderMarkdown(bubble,t,{enhance:false});if(j.error||j.done||j.phase==='done'){setBtnSend();state.busy=false;enhanceCodeBlocks(bubble,true);const i=state.messages.findIndex(m=>m.id===id);if(i>=0)state.messages[i].content=[{type:'text',text:t}];else state.messages.push({id,role:'assistant',content:[{type:'text',text:t}]});persistThread();return false}return true}
 let syncLoopRunning=false
-const syncKick=r=>{if(document.visibilityState!=='hidden')setTimeout(()=>syncLoop(r),0)}
-async function syncLoop(){if(syncLoopRunning)return;const id=lastAssistantId();if(!id)return;syncLoopRunning=true;try{for(;;){const cont=await syncTranscript().catch(()=>false);if(!cont)break;await new Promise(r=>setTimeout(r,1200))}}finally{syncLoopRunning=false}}
+const syncKick=r=>{if(!state.busy||document.visibilityState==='hidden')return;setTimeout(()=>syncLoop(r),0)}
+async function syncLoop(){if(!state.busy||syncLoopRunning)return;const id=lastAssistantId();if(!id)return;syncLoopRunning=true;try{for(;;){if(!state.busy)break;const cont=await syncTranscript().catch(()=>false);if(!cont)break;await new Promise(r=>setTimeout(r,1200))}}finally{syncLoopRunning=false}}
 ;['focus','pageshow'].forEach(ev=>window.addEventListener(ev,()=>syncKick(ev)))
 document.addEventListener('visibilitychange',()=>{if(document.visibilityState==='visible')syncKick('visible')})
 el.copySystemPrompt.addEventListener('click',async()=>{try{await navigator.clipboard.writeText(el.set_system_prompt.value||'')}catch{}})
diff --git a/docs/sw.js b/docs/sw.js
index 80951b0..e695e2d 100644
--- a/docs/sw.js
+++ b/docs/sw.js
@@ -1 +1 @@
-if(!self.define){let e,i={};const t=(t,n)=>(t=new URL(t+".js",n).href,i[t]||new Promise(i=>{if("document"in self){const e=document.createElement("script");e.src=t,e.onload=i,document.head.appendChild(e)}else e=t,importScripts(t),i()}).then(()=>{let e=i[t];if(!e)throw new Error(`Module ${t} didn’t register its module`);return e}));self.define=(n,r)=>{const s=e||("document"in self?document.currentScript.src:"")||location.href;if(i[s])return;let o={};const c=e=>t(e,s),d={module:{uri:s},exports:o,require:c};i[s]=Promise.all(n.map(e=>d[e]||c(e))).then(e=>(r(...e),o))}}define(["./workbox-5ffe50d4"],function(e){"use strict";self.skipWaiting(),e.clientsClaim(),e.precacheAndRoute([{url:"index.html",revision:"806ca7b504dca47012ba05e0c3ddfc58"},{url:"registerSW.js",revision:"1872c500de691dce40960bb85481de07"},{url:"manifest.webmanifest",revision:"7a6c5c6ab9cb5d3605d21df44c6b17a2"}],{}),e.cleanupOutdatedCaches(),e.registerRoute(new e.NavigationRoute(e.createHandlerBoundToURL("index.html")))});
+if(!self.define){let e,i={};const t=(t,n)=>(t=new URL(t+".js",n).href,i[t]||new Promise(i=>{if("document"in self){const e=document.createElement("script");e.src=t,e.onload=i,document.head.appendChild(e)}else e=t,importScripts(t),i()}).then(()=>{let e=i[t];if(!e)throw new Error(`Module ${t} didn’t register its module`);return e}));self.define=(n,r)=>{const s=e||("document"in self?document.currentScript.src:"")||location.href;if(i[s])return;let o={};const d=e=>t(e,s),c={module:{uri:s},exports:o,require:d};i[s]=Promise.all(n.map(e=>c[e]||d(e))).then(e=>(r(...e),o))}}define(["./workbox-5ffe50d4"],function(e){"use strict";self.skipWaiting(),e.clientsClaim(),e.precacheAndRoute([{url:"index.html",revision:"6dead09d1b98264910b32971291a7fa6"},{url:"registerSW.js",revision:"1872c500de691dce40960bb85481de07"},{url:"manifest.webmanifest",revision:"7a6c5c6ab9cb5d3605d21df44c6b17a2"}],{}),e.cleanupOutdatedCaches(),e.registerRoute(new e.NavigationRoute(e.createHandlerBoundToURL("index.html")))});