diff --git a/index.html b/index.html
index 8e1c33b..6f9ed17 100644
--- a/index.html
+++ b/index.html
@@ -79,12 +79,7 @@
     <div class="rounded-2xl bg-white shadow-xl border border-gray-200 overflow-hidden">
       <div class="px-4 py-3 border-b text-sm font-semibold flex items-center justify-between"><span>Sune Settings</span><button id="closeSettings" class="p-1 rounded hover:bg-gray-100" aria-label="Close"><svg viewBox="0 0 24 24" class="h-5 w-5" fill="none" stroke="currentColor" stroke-width="2"><path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12"/></svg></button></div>
       <form id="settingsForm" class="text-sm">
-        <div class="border-b flex text-xs font-medium">
-          <button type="button" id="tabModel" class="flex-1 py-2 px-3 text-center border-b-2 border-black">Model & Sampling</button>
-          <button type="button" id="tabPrompt" class="flex-1 py-2 px-3 text-center border-b-2 border-transparent hover:border-gray-300">System Prompt</button>
-          <button type="button" id="tabMaster" class="flex-1 py-2 px-3 text-center border-b-2 border-transparent hover:border-gray-300">Master Prompt</button>
-          <button type="button" id="tabScript" class="flex-1 py-2 px-3 text-center border-b-2 border-transparent hover:border-gray-300">Script</button>
-        </div>
+        <div class="border-b flex text-xs font-medium"><button type="button" id="tabModel" class="flex-1 py-2 px-3 text-center border-b-2 border-black">Model & Sampling</button><button type="button" id="tabPrompt" class="flex-1 py-2 px-3 text-center border-b-2 border-transparent hover:border-gray-300">System Prompt</button><button type="button" id="tabMaster" class="flex-1 py-2 px-3 text-center border-b-2 border-transparent hover:border-gray-300">Master Prompt</button><button type="button" id="tabScript" class="flex-1 py-2 px-3 text-center border-b-2 border-transparent hover:border-gray-300">Script</button></div>
         <div id="panelModel" class="p-4 space-y-4">
           <div><label class="block text-gray-700 font-medium mb-1">Model name</label><input id="set_model" type="text" class="w-full rounded-xl border border-gray-300 px-3 py-2" placeholder="openai/gpt-4o"/></div>
           <div class="grid grid-cols-2 gap-3">
@@ -103,7 +98,7 @@
           <div><label class="block text-gray-700 font-medium mb-1">System Prompt</label><textarea id="set_system_prompt" rows="8" class="w-full rounded-xl border border-gray-300 px-3 py-2" placeholder="Enter a system prompt to guide the sune"></textarea><p class="mt-1 text-xs text-gray-500">Saved per sune.</p></div>
         </div>
         <div id="panelMaster" class="p-4 space-y-4 hidden">
-          <div><label class="block text-gray-700 font-medium mb-1">Master Prompt</label><textarea id="set_master_prompt" rows="8" class="w-full rounded-xl border border-gray-300 px-3 py-2" placeholder="Global system prompt applied to all chats at send time"></textarea><p class="mt-1 text-xs text-gray-500">Stored globally. Sent as an additional hidden system message. Not appended to per-sune text.</p></div>
+          <div><label class="block text-gray-700 font-medium mb-1">Master Prompt</label><textarea id="set_master_prompt" rows="8" class="w-full rounded-xl border border-gray-300 px-3 py-2" placeholder="Applied to all chats as an additional hidden system message"></textarea><p class="mt-1 text-xs text-gray-500">Global. Not shown in thread. Stored locally.</p></div>
         </div>
         <div id="panelScript" class="p-4 space-y-3 hidden">
           <div class="grid grid-cols-2 gap-2 text-xs font-medium">
@@ -111,7 +106,7 @@
             <button type="button" id="subTabJS" class="py-2 px-3 rounded-xl bg-gray-100 border border-gray-200">JavaScript</button>
           </div>
           <div id="panelHTML" class=""><pre id="htmlEditor" class="w-full h-[50vh] p-3 rounded-xl border border-gray-300 bg-white overflow-auto font-mono text-[12px] leading-5" contenteditable="plaintext-only" spellcheck="false"></pre><p class="mt-1 text-xs text-gray-500">Scripts also run.</p></div>
-          <div id="panelJS" class="hidden"><pre id="scriptEditor" class="w-full h-[50vh] p-3 rounded-xl border border-gray-300 bg-white overflow-auto font-mono text=[12px] leading-5" contenteditable="plaintext-only" spellcheck="false"></pre><p class="mt-1 text-xs text-gray-500">Put scripts in HTML instead for now. This does nothing.</p></div>
+          <div id="panelJS" class="hidden"><pre id="scriptEditor" class="w-full h-[50vh] p-3 rounded-xl border border-gray-300 bg-white overflow-auto font-mono text-[12px] leading-5" contenteditable="plaintext-only" spellcheck="false"></pre><p class="mt-1 text-xs text-gray-500">Put scripts in HTML instead for now. This does nothing.</p></div>
         </div>
         <div class="flex items-center justify-between gap-2 px-4 py-3 border-t">
           <button type="button" id="deleteSuneBtn" class="inline-flex items-center gap-2 px-3 py-2 rounded-xl border border-red-200 text-red-700 hover:bg-red-50"><svg viewBox="0 0 24 24" class="h-4 w-4" fill="none" stroke="currentColor" stroke-width="2"><path stroke-linecap="round" stroke-linejoin="round" d="M3 6h18M8 6v12a2 2 0 0 0 2 2h4a2 2 0 0 0 2-2V6m-9 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/></svg><span>Delete sune</span></button>
@@ -135,6 +130,11 @@
               <option value="ws">WebSocket via proxy (keeps stream alive if the app is backgrounded)</option>
             </select>
           </div>
+          <div>
+            <label class="block text-gray-700 font-medium mb-1">Master Prompt</label>
+            <textarea id="set_master_prompt_account" rows="6" class="w-full rounded-xl border border-gray-300 px-3 py-2" placeholder="Applied to all chats as an additional hidden system message"></textarea>
+            <p class="mt-1 text-xs text-gray-500">Global. Mirrors the Master Prompt tab.</p>
+          </div>
         </div>
         <div class="flex items-center justify-end gap-2 px-4 py-3 border-t">
           <button type="button" id="cancelAccount" class="px-3 py-2 rounded-xl border bg-white hover:bg-gray-50">Cancel</button>
@@ -150,7 +150,7 @@
 <script src="https://cdn.jsdelivr.net/npm/localforage@1.10.0/dist/localforage.min.js"></script>
 <script>
 const DEFAULT_MODEL='openai/gpt-5',DEFAULT_API_KEY=''
-const el=Object.fromEntries(['chat','messages','composer','input','sendBtn','settingsBtnTop','settingsModal','settingsForm','closeSettings','cancelSettings','tabModel','tabPrompt','tabMaster','tabScript','panelModel','panelPrompt','panelMaster','panelScript','set_model','set_temperature','set_top_p','set_top_k','set_frequency_penalty','set_presence_penalty','set_repetition_penalty','set_min_p','set_top_a','set_reasoning_effort','set_system_prompt','set_master_prompt','deleteSuneBtn','sidebar','sidebarOverlay','sidebarBtn','suneList','newSuneBtn','userMenuBtn','userMenu','apiKeyOption','accountSettingsOption','sunesImportOption','sunesExportOption','threadsImportOption','threadsExportOption','importInput','historyBtn','historyPanel','historyOverlay','historyList','closeHistory','historyMenu','suneMenu','footer','attachBtn','attachBadge','fileInput','scriptEditor','htmlEditor','subTabHTML','subTabJS','panelHTML','panelJS','suneHtml','accountModal','accountForm','closeAccount','cancelAccount','set_stream_mode'].map(id=>[id,document.getElementById(id)]))
+const el=Object.fromEntries(['chat','messages','composer','input','sendBtn','settingsBtnTop','settingsModal','settingsForm','closeSettings','cancelSettings','tabModel','tabPrompt','tabMaster','tabScript','panelModel','panelPrompt','panelMaster','panelScript','set_model','set_temperature','set_top_p','set_top_k','set_frequency_penalty','set_presence_penalty','set_repetition_penalty','set_min_p','set_top_a','set_reasoning_effort','set_system_prompt','set_master_prompt','deleteSuneBtn','sidebar','sidebarOverlay','sidebarBtn','suneList','newSuneBtn','userMenuBtn','userMenu','apiKeyOption','accountSettingsOption','sunesImportOption','sunesExportOption','threadsImportOption','threadsExportOption','importInput','historyBtn','historyPanel','historyOverlay','historyList','closeHistory','historyMenu','suneMenu','footer','attachBtn','attachBadge','fileInput','scriptEditor','htmlEditor','subTabHTML','subTabJS','panelHTML','panelJS','suneHtml','accountModal','accountForm','closeAccount','cancelAccount','set_stream_mode','set_master_prompt_account'].map(id=>[id,document.getElementById(id)]))
 const icons=()=>window.lucide&&lucide.createIcons()
 const clamp=(v,min,max)=>Math.max(min,Math.min(max,v)),num=(v,d)=>v==null||v===''||isNaN(+v)?d:+v,int=(v,d)=>v==null||v===''||isNaN(parseInt(v))?d:parseInt(v),gid=()=>Math.random().toString(36).slice(2,9),esc=s=>String(s).replace(/[&<>'"`]/g,c=>({"&":"&amp;","<":"&lt;",">":"&gt;","\"":"&quot;","'":"&#39;","`":"&#96;"}[c]))
 const fmtSize=b=>{const u=['B','KB','MB','GB','TB'];let i=0,x=b;while(x>=1024&&i<u.length-1){x/=1024;i++}return (x>=10?Math.round(x):Math.round(x*10)/10)+' '+u[i]}
@@ -163,7 +163,7 @@ const makeSune=(p={})=>({id:p.id||gid(),name:p.name?.trim()||'Default',pinned:!!
 let sunes=(su.load()||[]).map(makeSune)
 if(!sunes.length){const def=makeSune({name:'Default'});sunes=[def];su.save(sunes);su.setActiveId(def.id)}
 const getActiveSune=()=>sunes.find(a=>a.id===su.getActiveId())||sunes[0],createDefaultSune=()=>makeSune({name:'Default'})
-const store=new Proxy({},{get(_,p){if(p==='apiKey')return globalStore.apiKey;if(p==='master_prompt')return globalStore.masterPrompt;const a=getActiveSune();if(p==='model')return a.settings.model;if(p in a.settings)return a.settings[p];if(p==='system_prompt')return a.settings.system_prompt},set(_,p,v){if(p==='apiKey'){globalStore.apiKey=v;return true}if(p==='master_prompt'){globalStore.masterPrompt=v||'';return true}const i=sunes.findIndex(a=>a.id===getActiveSune().id);if(i>=0){if(p==='model')sunes[i].settings.model=v||DEFAULT_MODEL;else if(p==='system_prompt')sunes[i].settings.system_prompt=v||'';else sunes[i].settings[p]=v;sunes[i].updatedAt=Date.now();su.save(sunes);return true}return false}})
+const store=new Proxy({},{get(_,p){if(p==='apiKey')return globalStore.apiKey;const a=getActiveSune();if(p==='model')return a.settings.model;if(p in a.settings)return a.settings[p];if(p==='system_prompt')return a.settings.system_prompt},set(_,p,v){if(p==='apiKey'){globalStore.apiKey=v;return true}const i=sunes.findIndex(a=>a.id===getActiveSune().id);if(i>=0){if(p==='model')sunes[i].settings.model=v||DEFAULT_MODEL;else if(p==='system_prompt')sunes[i].settings.system_prompt=v||'';else sunes[i].settings[p]=v;sunes[i].updatedAt=Date.now();su.save(sunes);return true}return false}})
 const state={messages:[],busy:false,controller:null,currentThreadId:null,abortRequested:false,attachments:[]}
 const getModelShort=m=>{const mm=m||store.model||'';return mm.includes('/')?mm.split('/').pop():mm}
 const renderSuneHTML=()=>{const m=el.suneHtml,h=(getActiveSune().settings.html||'').trim();m.innerHTML='';m.classList.toggle('hidden',!h);if(!h)return;m.insertAdjacentHTML('afterbegin',h);m.querySelectorAll('script').forEach(s=>{const n=document.createElement('script');[...s.attributes].forEach(a=>n.setAttribute(a.name,a.value));n.text=s.text; s.replaceWith(n)})}
@@ -204,10 +204,10 @@ 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);let buf='',completed=false;const finalize=()=>{if(completed)return;completed=true;setBtnSend();state.busy=false;enhanceCodeBlocks(suneBubble,true);state.messages.push(Object.assign({role:'assistant',content:[{type:'text',text:buf}]},suneMeta));persistThread();queueMicrotask(()=>el.chat.scrollTo({top:el.chat.scrollHeight,behavior:'smooth'}))};await askOpenRouterStreaming((delta,done)=>{if(delta){buf+=delta;renderMarkdown(suneBubble,buf,{enhance:false})}if(done)finalize()}).catch(()=>finalize());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);let buf='';const onDelta=(delta)=>{buf+=delta;renderMarkdown(suneBubble,buf,{enhance:false})};try{await askOpenRouterStreaming(onDelta)}finally{setBtnSend();state.busy=false;enhanceCodeBlocks(suneBubble,true);state.messages.push(Object.assign({role:'assistant',content:[{type:'text',text:buf}]},suneMeta));persistThread();queueMicrotask(()=>el.chat.scrollTo({top:el.chat.scrollHeight,behavior:'smooth'}));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_reasoning_effort.value=s.reasoning_effort||'default';el.set_system_prompt.value=s.system_prompt;el.set_master_prompt.value=globalStore.masterPrompt||'';showTab('Model');el.settingsModal.classList.remove('hidden')}
+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_reasoning_effort.value=s.reasoning_effort||'default';el.set_system_prompt.value=s.system_prompt;el.set_master_prompt.value=globalStore.masterPrompt;showTab('Model');el.settingsModal.classList.remove('hidden')}
 const closeSettings=()=>{el.settingsModal.classList.add('hidden')}
 const tabs={Model:['tabModel','panelModel'],Prompt:['tabPrompt','panelPrompt'],Master:['tabMaster','panelMaster'],Script:['tabScript','panelScript']}
 function showScriptSubTab(key){['HTML','JS'].forEach(k=>{const on=k===key;el['subTab'+k].classList.toggle('bg-black',on);el['subTab'+k].classList.toggle('text-white',on);el['subTab'+k].classList.toggle('bg-gray-100',!on);el['panel'+(k==='HTML'?'HTML':'JS')].classList.toggle('hidden',!on)});if(key==='HTML')openedHTML=true;else openedJS=true}
@@ -222,7 +222,7 @@ el.tabMaster.addEventListener('click',()=>showTab('Master'))
 el.tabScript.addEventListener('click',()=>showTab('Script'))
 el.subTabHTML.addEventListener('click',()=>showScriptSubTab('HTML'))
 el.subTabJS.addEventListener('click',()=>showScriptSubTab('JS'))
-el.settingsForm.addEventListener('submit',e=>{e.preventDefault();const a=getActiveSune(),s=a.settings;s.model=(el.set_model.value||DEFAULT_MODEL).trim();s.temperature=clamp(num(el.set_temperature.value,1.0),0,2);s.top_p=clamp(num(el.set_top_p.value,1.0),0,1);s.top_k=Math.max(0,int(el.set_top_k.value,0));s.frequency_penalty=clamp(num(el.set_frequency_penalty.value,0.0),-2,2);s.presence_penalty=clamp(num(el.set_presence_penalty.value,0.0),-2,2);s.repetition_penalty=clamp(num(el.set_repetition_penalty.value,1.0),0,2);s.min_p=clamp(num(el.set_min_p.value,0.0),0,1);s.top_a=clamp(num(el.set_top_a.value,0.0),0,1);s.reasoning_effort=(el.set_reasoning_effort.value||'default');s.system_prompt=el.set_system_prompt.value.trim();globalStore.masterPrompt=(el.set_master_prompt.value||'').trim();const oldScript=s.script,oldHtml=s.html;const edScript=el.scriptEditor?.textContent||'',edHtml=el.htmlEditor?.textContent||'';s.script=openedJS?edScript:oldScript;s.html=openedHTML?edHtml:oldHtml;a.updatedAt=Date.now();su.save(sunes);closeSettings();reflectActiveSune()})
+el.settingsForm.addEventListener('submit',e=>{e.preventDefault();const a=getActiveSune(),s=a.settings;s.model=(el.set_model.value||DEFAULT_MODEL).trim();s.temperature=clamp(num(el.set_temperature.value,1.0),0,2);s.top_p=clamp(num(el.set_top_p.value,1.0),0,1);s.top_k=Math.max(0,int(el.set_top_k.value,0));s.frequency_penalty=clamp(num(el.set_frequency_penalty.value,0.0),-2,2);s.presence_penalty=clamp(num(el.set_presence_penalty.value,0.0),-2,2);s.repetition_penalty=clamp(num(el.set_repetition_penalty.value,1.0),0,2);s.min_p=clamp(num(el.set_min_p.value,0.0),0,1);s.top_a=clamp(num(el.set_top_a.value,0.0),0,1);s.reasoning_effort=(el.set_reasoning_effort.value||'default');s.system_prompt=el.set_system_prompt.value.trim();globalStore.masterPrompt=el.set_master_prompt.value.trim();const oldScript=s.script,oldHtml=s.html;const edScript=el.scriptEditor?.textContent||'',edHtml=el.htmlEditor?.textContent||'';s.script=openedJS?edScript:oldScript;s.html=openedHTML?edHtml:oldHtml;a.updatedAt=Date.now();su.save(sunes);closeSettings();reflectActiveSune()})
 el.deleteSuneBtn.addEventListener('click',()=>{const activeId=su.getActiveId(),active=getActiveSune(),name=active?.name||'this sune';if(!confirm(`Delete "${name}"?`))return;sunes=sunes.filter(a=>a.id!==activeId);su.save(sunes);if(sunes.length===0){const def=createDefaultSune();sunes=[def];su.save(sunes);su.setActiveId(def.id)}else{su.setActiveId(sunes[0].id)}renderSidebar();reflectActiveSune();state.currentThreadId=null;clearChat();closeSettings()})
 el.newSuneBtn.addEventListener('click',()=>{const name=prompt('Name your sune:');if(!name)return;const id=gid();sunes.unshift({id,name:name.trim(),pinned:false,avatar:'',updatedAt:Date.now(),settings:Object.assign({},defaultSettings)});su.save(sunes);su.setActiveId(id);renderSidebar();reflectActiveSune();state.currentThreadId=null;clearChat();document.getElementById('sidebar').classList.add('-translate-x-full');document.getElementById('sidebarOverlay').classList.add('hidden')})
 el.apiKeyOption.addEventListener('click',()=>{el.userMenu.classList.add('hidden');const cur=store.apiKey?'********':'';const input=prompt('Enter OpenRouter API key (stored locally):',cur);if(input!==null){store.apiKey=input==='********'?store.apiKey:input.trim();alert(store.apiKey?'API key saved locally.':'API key cleared.')}})
@@ -244,17 +244,17 @@ window.addEventListener('resize',()=>{hideHistoryMenu();hideSuneMenu()})
 init()
 const WS_BASE='wss://orp.awww.workers.dev/ws'
 const WS_UID=(crypto&&crypto.randomUUID?crypto.randomUUID():Math.random().toString(36).slice(2))
-const buildBody=()=>{const msgs=[];const mp=(globalStore.masterPrompt||'').trim();const sp=(store.system_prompt||'').trim();if(mp)msgs.push({role:'system',content:[{type:'text',text:mp}]});if(sp)msgs.push({role:'system',content:[{type:'text',text:sp}]});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};return b}
-async function askOpenRouterStreamingWS(onDelta){if(!store.apiKey){const t=localDemoReply();onDelta(t,true);return {ok:true,text:t}}const r={rid:Math.random().toString(36).slice(2),seq:-1,done:false,manual:false,signaled:false,backoff:300,ws:null};const signal=t=>{if(!r.signaled){r.signaled=true;onDelta(t||'',true)}};const open=mode=>{if(r.done)return;r.ws=new WebSocket(WS_BASE+'?uid='+encodeURIComponent(WS_UID));r.ws.onopen=()=>r.ws.send(JSON.stringify(mode==='begin'?{type:'begin',rid:r.rid,apiKey:store.apiKey,or_body:buildBody()}:{type:'resume',rid:r.rid,after:r.seq}));r.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'){r.done=true;signal('');r.ws.close()}else if(m.type==='err'){r.done=true;signal('\n\n'+(m.message||'error'));r.ws.close()}};r.ws.onclose=()=>{if(!r.done&&!r.manual)setTimeout(()=>open('resume'),r.backoff=Math.min(r.backoff*1.5,5000))};r.ws.onerror=()=>{}};state.controller={abort:()=>{r.manual=true;r.done=true;try{r.ws?.send(JSON.stringify({type:'stop',rid:r.rid}))}catch{}try{r.ws?.close()}catch{}signal('')}};open('begin');return {ok:true}}
-async function askOpenRouterStreamingDirect(onDelta){const apiKey=store.apiKey,model=store.model;if(!apiKey){const text=localDemoReply(state.messages[state.messages.length-1]?.content||'');onDelta(text,true);return {ok:true,text}}try{state.controller=new AbortController();const body=buildBody();const res=await fetch('https://openrouter.ai/api/v1/chat/completions',{method:'POST',headers:{'Content-Type':'application/json','Authorization':'Bearer '+apiKey},body:JSON.stringify(body),signal:state.controller.signal});if(!res.ok){const errText=await res.text().catch(()=> '');throw new Error(errText||('HTTP '+res.status))}const reader=res.body.getReader(),decoder=new TextDecoder('utf-8');let buffer='',full='',finished=false;const doneOnce=()=>{if(finished)return;finished=true;onDelta('',true)};while(true){const {value,done}=await reader.read();if(done)break;buffer+=decoder.decode(value,{stream:true});let idx;while((idx=buffer.indexOf('\n\n'))!==-1){const chunk=buffer.slice(0,idx).trim();buffer=buffer.slice(idx+2);if(!chunk)continue;if(chunk.startsWith('data:')){const data=chunk.slice(5).trim();if(data==='[DONE]'){doneOnce();continue}try{const json=JSON.parse(data);const delta=json.choices?.[0]?.delta?.content??'';if(delta){full+=delta;onDelta(delta,false)}const finish=json.choices?.[0]?.finish_reason;if(finish)doneOnce()}catch{}}}}doneOnce();return {ok:true,text:full}}catch(e){const msg=String(e?.message||e),aborted=e?.name==='AbortError'||/abort/i.test(msg)||state.controller?.signal?.aborted||state.abortRequested;if(aborted){onDelta('',true);return {ok:false,text:'',aborted:true}}let hint='Request failed.';if(/401|unauthorized/i.test(msg))hint='Unauthorized (check API key).';else if(/429|rate/i.test(msg))hint='Rate limited (slow down or upgrade).';else if(/access|forbidden|403/i.test(msg))hint='Forbidden (model or key scope).';const fallback='\n\n'+hint;onDelta(fallback,true);return {ok:false,text:fallback}}finally{state.controller=null;state.abortRequested=false}}
-function askOpenRouterStreaming(onDelta){return (globalStore.streamMode==='direct'?askOpenRouterStreamingDirect:askOpenRouterStreamingWS)((delta,done)=>{if(delta===undefined)delta='';onDelta(delta,delta===''||done===true)})}
-function openAccount(){el.set_stream_mode.value=globalStore.streamMode||'direct';el.accountModal.classList.remove('hidden')}
+const buildBody=()=>{const msgs=[];if(globalStore.masterPrompt)msgs.push({role:'system',content:[{type:'text',text:globalStore.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};return b}
+async function askOpenRouterStreamingWS(onDelta){if(!store.apiKey){const t=localDemoReply();onDelta(t);return {ok:true,text:t}}const r={rid:Math.random().toString(36).slice(2),seq:-1,done:false,manual:false,signaled:false,backoff:300,ws:null};const signal=t=>{if(!r.signaled){r.signaled=true;onDelta(t||'')}};const open=mode=>{if(r.done)return;r.ws=new WebSocket(WS_BASE+'?uid='+encodeURIComponent(WS_UID));r.ws.onopen=()=>r.ws.send(JSON.stringify(mode==='begin'?{type:'begin',rid:r.rid,apiKey:store.apiKey,or_body:buildBody()}:{type:'resume',rid:r.rid,after:r.seq}));r.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||'')}else if(m.type==='done'){r.done=true;signal('');r.ws.close()}else if(m.type==='err'){r.done=true;signal('\n\n'+(m.message||'error'));r.ws.close()}};r.ws.onclose=()=>{if(!r.done&&!r.manual)setTimeout(()=>open('resume'),r.backoff=Math.min(r.backoff*1.5,5000))};r.ws.onerror=()=>{}};state.controller={abort:()=>{r.manual=true;r.done=true;try{r.ws?.send(JSON.stringify({type:'stop',rid:r.rid}))}catch{}try{r.ws?.close()}catch{}signal('')}};open('begin');return await new Promise(res=>{const int=setInterval(()=>{if(r.signaled){clearInterval(int);res({ok:true})}},50)})}
+async function askOpenRouterStreamingDirect(onDelta){const apiKey=store.apiKey;if(!apiKey){const text=localDemoReply(state.messages[state.messages.length-1]?.content||'');onDelta(text);return {ok:true,text}}try{state.controller=new AbortController();let body=buildBody();const res=await fetch('https://openrouter.ai/api/v1/chat/completions',{method:'POST',headers:{'Content-Type':'application/json','Authorization':'Bearer '+apiKey},body:JSON.stringify(body),signal:state.controller.signal});if(!res.ok){const errText=await res.text().catch(()=> '');throw new Error(errText||('HTTP '+res.status))}const reader=res.body.getReader(),decoder=new TextDecoder('utf-8');let buffer='',finished=false;const doneOnce=()=>{if(finished)return;finished=true;onDelta('')};while(true){const {value,done}=await reader.read();if(done)break;buffer+=decoder.decode(value,{stream:true});let idx;while((idx=buffer.indexOf('\n\n'))!==-1){const chunk=buffer.slice(0,idx).trim();buffer=buffer.slice(idx+2);if(!chunk)continue;if(chunk.startsWith('data:')){const data=chunk.slice(5).trim();if(data==='[DONE]'){doneOnce();continue}try{const json=JSON.parse(data);const delta=json.choices?.[0]?.delta?.content??'';if(delta)onDelta(delta);const finish=json.choices?.[0]?.finish_reason;if(finish)doneOnce()}catch{}}}}doneOnce();return {ok:true}}catch(e){const msg=String(e?.message||e),aborted=e?.name==='AbortError'||/abort/i.test(msg)||state.controller?.signal?.aborted||state.abortRequested;if(aborted){onDelta('');return {ok:false,aborted:true}}let hint='Request failed.';if(/401|unauthorized/i.test(msg))hint='Unauthorized (check API key).';else if(/429|rate/i.test(msg))hint='Rate limited (slow down or upgrade).';else if(/access|forbidden|403/i.test(msg))hint='Forbidden (model or key scope).';onDelta('\n\n'+hint);return {ok:false}}finally{state.controller=null;state.abortRequested=false}}
+function askOpenRouterStreaming(onDelta){return (globalStore.streamMode==='direct'?askOpenRouterStreamingDirect:askOpenRouterStreamingWS)(d=>onDelta(d||''))}
+function openAccount(){el.set_stream_mode.value=globalStore.streamMode||'direct';el.set_master_prompt_account.value=globalStore.masterPrompt;el.accountModal.classList.remove('hidden')}
 function closeAccount(){el.accountModal.classList.add('hidden')}
 el.accountSettingsOption.addEventListener('click',()=>{el.userMenu.classList.add('hidden');openAccount()})
 el.closeAccount.addEventListener('click',closeAccount)
 el.cancelAccount.addEventListener('click',closeAccount)
 el.accountModal.addEventListener('click',e=>{if(e.target===el.accountModal||e.target.classList.contains('bg-black/30'))closeAccount()})
-el.accountForm.addEventListener('submit',e=>{e.preventDefault();globalStore.streamMode=el.set_stream_mode.value||'direct';closeAccount();alert('Settings saved.')})
+el.accountForm.addEventListener('submit',e=>{e.preventDefault();globalStore.streamMode=el.set_stream_mode.value||'direct';globalStore.masterPrompt=el.set_master_prompt_account.value.trim();closeAccount();alert('Settings saved.')})
 </script>
 </body>
 </html>