diff --git a/index.html b/index.html
index 69a04f2..ad9c607 100644
--- a/index.html
+++ b/index.html
@@ -237,7 +237,7 @@ el.accountSettingsModal.addEventListener('click',e=>{if(e.target===el.accountSet
 el.accountSettingsForm.addEventListener('submit',e=>{e.preventDefault();store.provider=el.set_provider.value||'openrouter';store.apiKeyOR=String(el.set_api_key_or.value||'').trim();store.apiKeyOAI=String(el.set_api_key_oai.value||'').trim();store.masterPrompt=String(el.set_master_prompt.value||'').trim();closeAccountSettings()})
 const lastAssistantId=()=>{const a=[...el.messages.querySelectorAll('.msg-bubble')];for(let i=a.length-1;i>=0;i--){const b=a[i],h=b.previousElementSibling;if(!h)continue;const you=/^\s*You\b/.test(h.textContent||'');if(!you)return b.dataset.mid||null}return null}
 const getBubbleById=id=>el.messages.querySelector(`.msg-bubble[data-mid="${CSS.escape(id)}"]`)
-async function syncActiveThread(){const id=lastAssistantId();if(!id)return false;if(await cacheStore.getItem(id)==='done'){if(state.busy){setBtnSend();state.busy=false;state.controller=null}return false}if(!state.busy){state.busy=true;state.controller={abort:()=>{const ws=new WebSocket(HTTP_BASE.replace('https','wss'));ws.onopen=function(){this.send(JSON.stringify({type:'stop',rid:id}));this.close()}}};setBtnStop()}const bubble=getBubbleById(id);if(!bubble)return false;const j=await(fetch(HTTP_BASE+'?uid='+encodeURIComponent(id)).then(r=>r.ok?r.json():null).catch(()=>null));const finalise=(t,c)=>{renderMarkdown(bubble,t,{enhance:false});enhanceCodeBlocks(bubble,true);const i=state.messages.findIndex(x=>x.id===id);if(i>=0)state.messages[i].content=c;else state.messages.push({id,role:'assistant',content:c,...activeMeta()});persistThread();setBtnSend();state.busy=false;cacheStore.setItem(id,'done');state.controller=null};if(!j||j.rid!==id){if(j&&j.error){const t=(bubble.textContent||'')+'\n\n'+j.error;finalise(t,[{type:'text',text:t}])}return false}const text=j.text||'',isDone=j.error||j.done||j.phase==='done';renderMarkdown(bubble,text,{enhance:false});if(isDone){finalise(text,[{type:'text',text}]);return false}await cacheStore.setItem(id,'busy');return true}
+async function syncActiveThread(){const id=lastAssistantId();if(!id)return false;if(await cacheStore.getItem(id)==='done'){if(state.busy){setBtnSend();state.busy=false;state.controller=null}return false}if(!state.busy){state.busy=true;state.controller={abort:()=>{const ws=new WebSocket(HTTP_BASE.replace('https','wss'));ws.onopen=function(){this.send(JSON.stringify({type:'stop',rid:id}));this.close()}}};setBtnStop()}const bubble=getBubbleById(id);if(!bubble)return false;const j=await(fetch(HTTP_BASE+'?uid='+encodeURIComponent(id)).then(r=>r.ok?r.json():null).catch(()=>null));const finalise=(t,c)=>{renderMarkdown(bubble,t,{enhance:false});enhanceCodeBlocks(bubble,true);const i=state.messages.findIndex(x=>x.id===id);if(i>=0)state.messages[i].content=c;else state.messages.push({id,role:'assistant',content:c,...activeMeta()});persistThread();setBtnSend();state.busy=false;cacheStore.setItem(id,'done');state.controller=null};if(!j||j.rid!==id){if(j&&j.error){const t=(bubble.textContent||'')+'\n\n'+j.error;finalise(t,[{type:'text',text:t}])}return false}const text=j.text||'',isDone=j.error||j.done||j.phase==='done';if(isDone){const ft=text||bubble.textContent||'';finalise(ft,[{type:'text',text:ft}]);return false}renderMarkdown(bubble,text,{enhance:false});await cacheStore.setItem(id,'busy');return true}
 let syncLoopRunning=false
 async function syncWhileBusy(){if(syncLoopRunning||document.visibilityState==='hidden')return;syncLoopRunning=true;try{while(await syncActiveThread())await new Promise(r=>setTimeout(r,1200))}finally{syncLoopRunning=false}}
 ;['focus','pageshow'].forEach(ev=>window.addEventListener(ev,syncWhileBusy))