diff --git a/index.html b/index.html
index 8cff5e4..69a04f2 100644
--- a/index.html
+++ b/index.html
@@ -162,7 +162,7 @@ function renderMarkdown(node,text,opt={enhance:true,highlight:true}){node.innerH
 function partsToText(parts){if(!parts)return'';if(Array.isArray(parts))return parts.map(p=>p?.type==='text'?p.text:(p?.type==='image_url'?`![](${p.image_url?.url||''})`:(p?.type==='file'?`[${p.file?.filename||'file'}]`:(p?.type==='input_audio'?`(audio:${p.input_audio?.format||''})`:'')))).join('\n');return String(parts)}
 function addMessage(m,track=true){m.id=m.id||gid();if(!Array.isArray(m.content)&&m.content!=null){m.content=[{type:'text',text:String(m.content)}]}const bubble=msgRow(m);bubble.dataset.mid=m.id;renderMarkdown(bubble,partsToText(m.content));if(track)state.messages.push(m);return bubble}
 const addSuneBubbleStreaming=meta=>msgRow(Object.assign({role:'assistant'},meta))
-const clearChat=()=>{if(state.controller)state.controller.abort();state.controller=null;state.stream={rid:null,bubble:null,meta:null,text:'',done:false};state.busy=false;setBtnSend();state.messages=[];el.messages.innerHTML='';state.attachments=[];updateAttachBadge();el.fileInput.value=''}
+const clearChat=()=>{state.messages=[];el.messages.innerHTML='';state.attachments=[];updateAttachBadge();el.fileInput.value=''}
 const payloadWithSampling=b=>{const o=Object.assign({},b);o.temperature=store.temperature;o.top_p=store.top_p;o.top_k=store.top_k;o.frequency_penalty=store.frequency_penalty;o.presence_penalty=store.presence_penalty;o.repetition_penalty=store.repetition_penalty;o.min_p=store.min_p;o.top_a=store.top_a;const mt=Math.max(0,int(store.max_tokens||0,0));if(mt)o.max_tokens=mt;return o}
 function setBtnStop(){const b=el.sendBtn;b.dataset.mode='stop';b.type='button';b.setAttribute('aria-label','Stop');b.innerHTML='<i data-lucide="square" class="h-5 w-5"></i>';icons();b.onclick=()=>{state.abortRequested=true;state.controller?.abort?.()}}
 function setBtnSend(){const b=el.sendBtn;b.dataset.mode='send';b.type='submit';b.setAttribute('aria-label','Send');b.innerHTML='<i data-lucide="sparkles" class="h-5 w-5"></i>';icons();b.onclick=null}
@@ -178,7 +178,7 @@ let menuThreadId=null;const hideHistoryMenu=()=>{el.historyMenu.classList.add('h
 function showHistoryMenu(btn,id){menuThreadId=id;const r=btn.getBoundingClientRect();el.historyMenu.style.top=(r.bottom+4)+'px';el.historyMenu.style.left=Math.min(window.innerWidth-220,r.right-200)+'px';el.historyMenu.classList.remove('hidden');icons()}
 let menuSuneId=null;const hideSuneMenu=()=>{el.suneMenu.classList.add('hidden');menuSuneId=null}
 function showSuneMenu(btn,id){menuSuneId=id;const r=btn.getBoundingClientRect();el.suneMenu.style.top=(r.bottom+4)+'px';el.suneMenu.style.left=Math.min(window.innerWidth-220,r.right-200)+'px';el.suneMenu.classList.remove('hidden');icons()}
-el.historyList.addEventListener('click',async e=>{const openBtn=e.target.closest('[data-open-thread]'),menuBtn=e.target.closest('[data-thread-menu]');if(openBtn){const id=openBtn.getAttribute('data-open-thread'),th=threads.find(t=>t.id===id);if(!th)return;state.currentThreadId=id;renderSuneHTML();clearChat();state.messages=Array.isArray(th.messages)?[...th.messages]:[];for(const m of state.messages){const b=msgRow(m);b.dataset.mid=m.id||'';renderMarkdown(b,partsToText(m.content))}queueMicrotask(()=>el.chat.scrollTo({top:el.chat.scrollHeight,behavior:'smooth'}));el.historyPanel.classList.add('translate-x-full');el.historyOverlay.classList.add('hidden');hideHistoryMenu();const lastId=lastAssistantId();if(lastId&&await cacheStore.getItem(lastId)==='busy'){state.busy=true;setBtnStop();setTimeout(syncWhileBusy,50)}return}if(menuBtn){e.stopPropagation();showHistoryMenu(menuBtn,menuBtn.getAttribute('[data-thread-menu]')?menuBtn.getAttribute('[data-thread-menu]'):menuBtn.getAttribute('data-thread-menu'))}})
+el.historyList.addEventListener('click',async e=>{const openBtn=e.target.closest('[data-open-thread]'),menuBtn=e.target.closest('[data-thread-menu]');if(openBtn){const id=openBtn.getAttribute('data-open-thread');if(id!==state.currentThreadId&&state.busy){state.controller?.disconnect?.();setBtnSend();state.busy=false;state.controller=null}const th=threads.find(t=>t.id===id);if(!th)return;if(id===state.currentThreadId){el.historyPanel.classList.add('translate-x-full');el.historyOverlay.classList.add('hidden');hideHistoryMenu();return}state.currentThreadId=id;renderSuneHTML();clearChat();state.messages=Array.isArray(th.messages)?[...th.messages]:[];for(const m of state.messages){const b=msgRow(m);b.dataset.mid=m.id||'';renderMarkdown(b,partsToText(m.content))}syncWhileBusy();queueMicrotask(()=>el.chat.scrollTo({top:el.chat.scrollHeight,behavior:'smooth'}));el.historyPanel.classList.add('translate-x-full');el.historyOverlay.classList.add('hidden');hideHistoryMenu();return}if(menuBtn){e.stopPropagation();showHistoryMenu(menuBtn,menuBtn.getAttribute('[data-thread-menu]')?menuBtn.getAttribute('[data-thread-menu]'):menuBtn.getAttribute('data-thread-menu'))}})
 el.historyMenu.addEventListener('click',async e=>{const act=e.target.closest('[data-action]')?.getAttribute('data-action');if(!act||!menuThreadId)return;const th=threads.find(t=>t.id===menuThreadId);if(!th)return;if(act==='pin'){th.pinned=!th.pinned}else if(act==='rename'){const nv=prompt('Rename to:',th.title);if(nv!=null){th.title=titleFrom(nv);th.updatedAt=Date.now()}}else if(act==='delete'){if(confirm('Delete this chat?')){threads=threads.filter(x=>x.id!==th.id);if(state.currentThreadId===th.id){state.currentThreadId=null;clearChat()}}}else if(act==='count_tokens'){const msgs=Array.isArray(th.messages)?th.messages:[];let totalChars=0;for(const m of msgs){if(!m||!m.role||m.role==='system')continue;totalChars+=String(partsToText(m.content||'')||'').length}const tokens=Math.max(0,Math.ceil(totalChars/4));const k=tokens>=1000?Math.round(tokens/1000)+'k':String(tokens);alert(tokens+' tokens ('+k+')')}hideHistoryMenu();await tsave(threads);renderHistory()})
 el.suneList.addEventListener('click',e=>{const menuBtn=e.target.closest('[data-sune-menu]');if(menuBtn){e.stopPropagation();showSuneMenu(menuBtn,menuBtn.getAttribute('[data-sune-menu]')?menuBtn.getAttribute('[data-sune-menu]'):menuBtn.getAttribute('data-sune-menu'));return}const btn=e.target.closest('[data-sune-id]');if(!btn)return;const id=btn.getAttribute('data-sune-id');if(id){su.setActiveId(id);renderSidebar();reflectActiveSune();state.currentThreadId=null;clearChat();document.getElementById('sidebar').classList.add('-translate-x-full');document.getElementById('sidebarOverlay').classList.add('hidden')}})
 el.suneMenu.addEventListener('click',e=>{const act=e.target.closest('[data-action]')?.getAttribute('data-action');if(!act||!menuSuneId)return;const s=sunes.find(x=>x.id===menuSuneId);if(!s)return;if(act==='pin')s.pinned=!s.pinned;else if(act==='rename'){const nv=prompt('Rename sune to:',s.name);if(nv!=null)s.name=nv.trim()}else if(act==='pfp'){const url=prompt('Image URL:',s.avatar||'');if(url!==null)s.avatar=url.trim()}s.updatedAt=Date.now();su.save(sunes);hideSuneMenu();renderSidebar();reflectActiveSune()})
@@ -189,7 +189,7 @@ function addAttachmentTree(role,arr){if(!arr?.length)return;const id=gid(),text=
 el.attachBtn.addEventListener('click',()=>{if(state.busy)return;if(state.attachments.length){state.attachments=[];updateAttachBadge();el.fileInput.value=''};el.fileInput.click()})
 el.fileInput.addEventListener('change',async()=>{const files=[...(el.fileInput.files||[])];if(!files.length)return;for(const f of files){const at=await toAttach(f).catch(()=>null);if(at)state.attachments.push(at)}updateAttachBadge()})
 el.messages.addEventListener('click',async e=>{const a=e.target.closest('a[href^="#dl-"]');if(!a)return; e.preventDefault();const m=a.getAttribute('href').match(/^#dl-([^-]+)-(\d+)$/);if(!m)return;const id=m[1],i=+m[2];const msg=state.messages.find(x=>x.id===id),meta=msg?.attachmentsMeta?.[i];if(!meta)return;let blob;if(meta.mode==='dataURL'){blob=await (await fetch(meta.data)).blob()}else{const bin=Uint8Array.from(atob(meta.data),c=>c.charCodeAt(0));blob=new Blob([bin],{type:meta.mime||'application/octet-stream'})}const url=URL.createObjectURL(blob),dl=document.createElement('a');dl.href=url;dl.download=meta.name||'download';document.body.appendChild(dl);dl.click();dl.remove();URL.revokeObjectURL(url)})
-el.composer.addEventListener('submit',async e=>{e.preventDefault();if(state.busy)return;const text=el.input.value.trim();if(!text&&!state.attachments.length)return;if(state.messages.length===0)state.currentThreadId=null;await ensureThreadOnFirstUser(text||'(attachments)');el.input.value='';const parts=[];if(text)parts.push({type:'text',text});state.attachments.forEach(a=>parts.push(a.part));addMessage({role:'user',content:parts.length?parts:[{type:'text',text:text||'(sent attachments)'}]});if(state.attachments.length)addAttachmentTree('user',state.attachments);state.busy=true;setBtnStop();const a=getActiveSune();const suneMeta={sune_name:a.name,model:store.model,avatar:a.avatar||''};const suneBubble=addSuneBubbleStreaming(suneMeta);const streamId=sid();suneBubble.dataset.mid=streamId;state.stream={rid:streamId,bubble:suneBubble,meta:suneMeta,text:'',done:false};let buf='',completed=false;const onDelta=(delta,done)=>{if(state.stream.rid!==streamId)return;buf+=delta;state.stream.text=buf;renderMarkdown(suneBubble,buf,{enhance:false});if(done&&!completed){if(state.stream.rid!==streamId)return;completed=true;setBtnSend();state.busy=false;enhanceCodeBlocks(suneBubble,true);state.messages.push(Object.assign({id:streamId,role:'assistant',content:[{type:'text',text:buf}]},suneMeta));persistThread();state.stream={rid:null,bubble:null,meta:null,text:'',done:false};queueMicrotask(()=>el.chat.scrollTo({top:el.chat.scrollHeight,behavior:'smooth'}))}};await askOpenRouterStreaming(onDelta,streamId);state.attachments=[];updateAttachBadge()})
+el.composer.addEventListener('submit',async e=>{e.preventDefault();if(state.busy)return;const text=el.input.value.trim();if(!text&&!state.attachments.length)return;if(state.messages.length===0)state.currentThreadId=null;await ensureThreadOnFirstUser(text||'(attachments)');el.input.value='';const parts=[];if(text)parts.push({type:'text',text});state.attachments.forEach(a=>parts.push(a.part));addMessage({role:'user',content:parts.length?parts:[{type:'text',text:text||'(sent attachments)'}]});if(state.attachments.length)addAttachmentTree('user',state.attachments);state.busy=true;setBtnStop();const a=getActiveSune();const suneMeta={sune_name:a.name,model:store.model,avatar:a.avatar||''};const suneBubble=addSuneBubbleStreaming(suneMeta);const streamId=sid();suneBubble.dataset.mid=streamId;state.stream={rid:streamId,bubble:suneBubble,meta:suneMeta,text:'',done:false};let buf='',completed=false;const onDelta=(delta,done)=>{buf+=delta;state.stream.text=buf;renderMarkdown(suneBubble,buf,{enhance:false});if(done&&!completed){completed=true;setBtnSend();state.busy=false;enhanceCodeBlocks(suneBubble,true);state.messages.push(Object.assign({id:streamId,role:'assistant',content:[{type:'text',text:buf}]},suneMeta));persistThread();state.stream={rid:null,bubble:null,meta:null,text:'',done:false};queueMicrotask(()=>el.chat.scrollTo({top:el.chat.scrollHeight,behavior:'smooth'}))}};await askOpenRouterStreaming(onDelta,streamId);state.attachments=[];updateAttachBadge()})
 let jars={js:null,html:null};const ensureJars=async()=>{if(jars.js&&jars.html)return jars;const mod=await import('https://medv.io/codejar/codejar.js');const CodeJar=mod.CodeJar||mod.default;const mk=(elx,lang)=>CodeJar(elx,ed=>{ed.innerHTML=hljs.highlight(ed.textContent,{language:lang}).value},{tab:'  '});if(!jars.js)jars.js=mk(el.scriptEditor,'javascript');if(!jars.html)jars.html=mk(el.htmlEditor,'xml');return jars}
 let openedJS=false,openedHTML=false
 function openSettings(){const a=getActiveSune(),s=a.settings;openedJS=false;openedHTML=false;el.set_model.value=s.model;el.set_temperature.value=s.temperature;el.set_top_p.value=s.top_p;el.set_top_k.value=s.top_k;el.set_frequency_penalty.value=s.frequency_penalty;el.set_presence_penalty.value=s.presence_penalty;el.set_repetition_penalty.value=s.repetition_penalty;el.set_min_p.value=s.min_p;el.set_top_a.value=s.top_a;el.set_max_tokens.value=s.max_tokens||'';el.set_verbosity.value=s.verbosity||'';el.set_reasoning_effort.value=s.reasoning_effort||'default';el.set_system_prompt.value=s.system_prompt;showTab('Model');el.settingsModal.classList.remove('hidden')}
@@ -227,7 +227,7 @@ window.addEventListener('resize',()=>{hideHistoryMenu();hideSuneMenu()})
 init()
 const HTTP_BASE='https://orp.awww.workers.dev/ws'
 const buildBody=()=>{const msgs=[];if(store.masterPrompt)msgs.push({role:'system',content:[{type:'text',text:store.masterPrompt}]});if(store.system_prompt)msgs.push({role:'system',content:[{type:'text',text:store.system_prompt}]});msgs.push(...state.messages.filter(m=>m.role!=='system').map(m=>({role:m.role,content:m.content})));const b=payloadWithSampling({model:store.model,messages:msgs,stream:true});if(store.reasoning_effort&&store.reasoning_effort!=='default')b.reasoning={effort:store.reasoning_effort};if(store.verbosity)b.verbosity=store.verbosity;return b}
-async function askOpenRouterStreaming(onDelta,streamId){if(!store.apiKey){const t=localDemoReply();onDelta(t,true);return {ok:true,rid:streamId||null}}const r={rid:streamId||gid(),seq:-1,done:false,signaled:false,ws:null};await cacheStore.setItem(r.rid,'busy');const signal=t=>{if(!r.signaled){r.signaled=true;onDelta(t||'',true)}};const ws=new WebSocket(HTTP_BASE.replace('https','wss')+'?uid='+encodeURIComponent(r.rid));r.ws=ws;ws.onopen=()=>ws.send(JSON.stringify({type:'begin',rid:r.rid,provider:store.provider,apiKey:store.apiKey,or_body:buildBody()}));ws.onmessage=e=>{let m;try{m=JSON.parse(e.data)}catch{return}if(m.type==='delta'&&typeof m.seq==='number'&&m.seq>r.seq){r.seq=m.seq;onDelta(m.text||'',false)}else if(m.type==='done'||m.type==='err'){r.done=true;cacheStore.setItem(r.rid,'done');signal(m.type==='err'?'\n\n'+(m.message||'error'):'');ws.close()}};ws.onclose=()=>{};ws.onerror=()=>{};state.controller={abort:()=>{r.done=true;cacheStore.setItem(r.rid,'done');try{if(ws.readyState===1)ws.send(JSON.stringify({type:'stop',rid:r.rid}))}catch{};signal('')}};return {ok:true,rid:r.rid}}
+async function askOpenRouterStreaming(onDelta,streamId){if(!store.apiKey){const t=localDemoReply();onDelta(t,true);return {ok:true,rid:streamId||null}}const r={rid:streamId||gid(),seq:-1,done:false,signaled:false,ws:null};await cacheStore.setItem(r.rid,'busy');const signal=t=>{if(!r.signaled){r.signaled=true;onDelta(t||'',true)}};const ws=new WebSocket(HTTP_BASE.replace('https','wss')+'?uid='+encodeURIComponent(r.rid));r.ws=ws;ws.onopen=()=>ws.send(JSON.stringify({type:'begin',rid:r.rid,provider:store.provider,apiKey:store.apiKey,or_body:buildBody()}));ws.onmessage=e=>{let m;try{m=JSON.parse(e.data)}catch{return}if(m.type==='delta'&&typeof m.seq==='number'&&m.seq>r.seq){r.seq=m.seq;onDelta(m.text||'',false)}else if(m.type==='done'||m.type==='err'){r.done=true;cacheStore.setItem(r.rid,'done');signal(m.type==='err'?'\n\n'+(m.message||'error'):'');ws.close()}};ws.onclose=()=>{};ws.onerror=()=>{};state.controller={abort:()=>{r.done=true;cacheStore.setItem(r.rid,'done');try{if(ws.readyState===1)ws.send(JSON.stringify({type:'stop',rid:r.rid}))}catch{};signal('')},disconnect:()=>ws.close()};return {ok:true,rid:r.rid}}
 function openAccountSettings(){el.set_provider.value=store.provider||'openrouter';el.set_api_key_or.value=store.apiKeyOR||'';el.set_api_key_oai.value=store.apiKeyOAI||'';el.set_master_prompt.value=store.masterPrompt||'';el.accountSettingsModal.classList.remove('hidden')}
 function closeAccountSettings(){el.accountSettingsModal.classList.add('hidden')}
 el.accountSettingsOption.addEventListener('click',()=>{el.userMenu.classList.add('hidden');openAccountSettings()})
@@ -237,9 +237,9 @@ 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}return false}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')};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';renderMarkdown(bubble,text,{enhance:false});if(isDone){finalise(text,[{type:'text',text}]);return false}await cacheStore.setItem(id,'busy');return true}
 let syncLoopRunning=false
-async function syncWhileBusy(){if(!state.busy||syncLoopRunning||document.visibilityState==='hidden')return;syncLoopRunning=true;try{while(state.busy&&await syncActiveThread())await new Promise(r=>setTimeout(r,1200))}finally{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))
 document.addEventListener('visibilitychange',()=>document.visibilityState==='visible'&&syncWhileBusy())
 el.copySystemPrompt.addEventListener('click',async()=>{try{await navigator.clipboard.writeText(el.set_system_prompt.value||'')}catch{}})