Fix: Ensure imported threads have type and valid titles

src/main.js

@@ -43,7 +43,7 @@ const payloadWithSampling=b=>{const o=Object.assign({},b),s=SUNE,p={temperature:
 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?.();state.busy=false;setBtnSend()}}
 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}
 function localDemoReply(){return 'Tip: open the sidebar → Account & Backup to set your API key.'}
-const titleFrom=t=>(t||'').replace(/\s+/g,' ').trim().slice(0,60)||'Untitled'
+const titleFrom=t=>{if(!t)return'Untitled';const s=typeof t==='string'?t:(Array.isArray(t)?partsToText({content:t}):'Untitled');return s.replace(/\s+/g,' ').trim().slice(0,60)||'Untitled'}
 const serializeThreadName=t=>{const s=(t.title||'Untitled').replace(/[^a-zA-Z0-9]/g,'_').slice(0,150);return `${t.pinned?'1':'0'}-${t.updatedAt||Date.now()}-${t.id}-${s}.json`}
 const deserializeThreadName=n=>{const p=n.replace('.json','').split('-');if(p.length<4)return null;return {pinned:p[0]==='1',updatedAt:parseInt(p[1]),id:p[2],title:p.slice(3).join('-').replace(/_/g,' '),status:'synced',type:'thread'}}
 const TKEY='threads_v1',THREAD=window.THREAD={list:[],load:async function(){const u=el.threadRepoInput.value.trim();if(u.startsWith('gh://')){this.list=await localforage.getItem('rem_index_'+u.substring(5)).then(v=>Array.isArray(v)?v:[])||[]}else{this.list=await localforage.getItem(TKEY).then(v=>Array.isArray(v)?v:[])||[]}},save:async function(){const u=el.threadRepoInput.value.trim();if(u.startsWith('gh://')){await localforage.setItem('rem_index_'+u.substring(5),this.list.map(t=>{const n={...t};delete n.messages;return n}))}else{await localforage.setItem(TKEY,this.list.map(t=>{const n={...t};delete n.messages;return n}))}},get:function(id){return this.list.find(t=>t.id===id)},get active(){return this.get(state.currentThreadId)},persist:async function(full=true){const id=state.currentThreadId;if(!id)return;const meta=this.get(id);if(!meta)return;const u=el.threadRepoInput.value.trim(),prefix=u.startsWith('gh://')?'rem_t_':'t_';await localforage.setItem(prefix+id,[...state.messages]);if(full){meta.updatedAt=Date.now();if(u.startsWith('gh://')&&meta.status!=='new')meta.status='modified';await this.save();await renderThreads()}},setTitle:async function(id,title){const th=this.get(id);if(!th||!title)return;th.title=titleFrom(title);th.updatedAt=Date.now();const u=el.threadRepoInput.value.trim();if(u.startsWith('gh://')&&th.status!=='new')th.status='modified';await this.save();await renderThreads()},getLastAssistantMessageId:()=>{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;if(!/^\s*You\b/.test(h.textContent||''))return b.dataset.mid||null}return null}}
@@ -106,7 +106,7 @@ let importMode=null
 $(el.sunesExportOption).on('click',()=>{dl(`sunes-${ts()}.sune`,{version:1,sunes:SUNE.list,activeId:SUNE.id});el.userMenu.classList.add('hidden')})
 $(el.sunesImportOption).on('click',()=>{importMode='sunes';el.importInput.value='';el.importInput.click()})
 $(el.threadsImportOption).on('click',()=>{importMode='threads';el.importInput.value='';el.importInput.click()})
-$(el.importInput).on('change',async()=>{const file=el.importInput.files?.[0];if(!file)return;try{const text=await file.text();const data=JSON.parse(text);if(importMode==='sunes'){const list=Array.isArray(data)?data:(Array.isArray(data.sunes)?data.sunes:[]);if(!list.length)throw new Error('No sunes');const incoming=list.map(a=>makeSune(a||{}));const map={};incoming.forEach(s=>{if(!s.id)s.id=gid();const k=s.id,prev=map[k];map[k]=!prev||(+s.updatedAt>+prev.updatedAt)?s:prev});let added=0,updated=0;const idx=Object.fromEntries(sunes.map(s=>[s.id,s]));Object.values(map).forEach(s=>{const ex=idx[s.id];if(!ex){sunes.push(s);added++}else if(+s.updatedAt>+ex.updatedAt){Object.assign(ex,s);updated++}});SUNE.save();if(data.activeId&&sunes.some(x=>x.id===data.activeId))SUNE.setActive(data.activeId);renderSidebar();await reflectActiveSune();state.currentThreadId=null;clearChat();alert(`${added} new, ${updated} updated.`)}else if(importMode==='threads'){if(!data||!data.id||!Array.isArray(data.messages))throw new Error('Invalid thread format');const u=el.threadRepoInput.value.trim(),prefix=u.startsWith('gh://')?'rem_t_':'t_';const norm=t=>({id:t.id||gid(),title:titleFrom(t.title||titleFrom(t.messages?.find?.(m=>m.role==='user')?.content||'')),pinned:!!t.pinned,updatedAt:t.updatedAt||Date.now(),...(u.startsWith('gh://')?{status:'new'}:{})});const n=norm(data),msgs=data.messages,idx=THREAD.list.findIndex(x=>x.id===n.id);if(idx>-1){if(n.updatedAt>THREAD.list[idx].updatedAt){THREAD.list[idx]=n;await localforage.setItem(prefix+n.id,msgs)}}else{THREAD.list.unshift(n);await localforage.setItem(prefix+n.id,msgs)}await THREAD.save();await renderThreads();alert('Thread imported.')}el.userMenu.classList.add('hidden')}catch{alert('Import failed')}finally{importMode=null}})
+$(el.importInput).on('change',async()=>{const file=el.importInput.files?.[0];if(!file)return;try{const text=await file.text();const data=JSON.parse(text);if(importMode==='sunes'){const list=Array.isArray(data)?data:(Array.isArray(data.sunes)?data.sunes:[]);if(!list.length)throw new Error('No sunes');const incoming=list.map(a=>makeSune(a||{}));const map={};incoming.forEach(s=>{if(!s.id)s.id=gid();const k=s.id,prev=map[k];map[k]=!prev||(+s.updatedAt>+prev.updatedAt)?s:prev});let added=0,updated=0;const idx=Object.fromEntries(sunes.map(s=>[s.id,s]));Object.values(map).forEach(s=>{const ex=idx[s.id];if(!ex){sunes.push(s);added++}else if(+s.updatedAt>+ex.updatedAt){Object.assign(ex,s);updated++}});SUNE.save();if(data.activeId&&sunes.some(x=>x.id===data.activeId))SUNE.setActive(data.activeId);renderSidebar();await reflectActiveSune();state.currentThreadId=null;clearChat();alert(`${added} new, ${updated} updated.`)}else if(importMode==='threads'){if(!data||!data.id||!Array.isArray(data.messages))throw new Error('Invalid thread format');const u=el.threadRepoInput.value.trim(),prefix=u.startsWith('gh://')?'rem_t_':'t_';const norm=t=>({id:t.id||gid(),title:titleFrom(t.title||t.messages),pinned:!!t.pinned,updatedAt:num(t.updatedAt,Date.now()),type:'thread',...(u.startsWith('gh://')?{status:'new'}:{})});const n=norm(data),msgs=data.messages,idx=THREAD.list.findIndex(x=>x.id===n.id);if(idx>-1){if(n.updatedAt>THREAD.list[idx].updatedAt){THREAD.list[idx]=n;await localforage.setItem(prefix+n.id,msgs)}}else{THREAD.list.unshift(n);await localforage.setItem(prefix+n.id,msgs)}await THREAD.save();await renderThreads();alert('Thread imported.')}el.userMenu.classList.add('hidden')}catch{alert('Import failed')}finally{importMode=null}})
 function kbUpdate(){const vv=window.visualViewport;const overlap=vv?Math.max(0,(window.innerHeight-(vv.height+vv.offsetTop))):0;document.documentElement.style.setProperty('--kb',overlap+'px');const fh=el.footer.getBoundingClientRect().height;document.documentElement.style.setProperty('--footer-h',fh+'px');el.footer.style.transform='translateY('+(-overlap)+'px)';el.chat.style.scrollPaddingBottom=(fh+overlap+16)+'px'}
 function kbBind(){if(window.visualViewport){['resize','scroll'].forEach(ev=>visualViewport.addEventListener(ev,()=>kbUpdate(),{passive:true}))}$(window).on('resize orientationchange',()=>setTimeout(kbUpdate,50));$(el.input).on('focus click',()=>{setTimeout(()=>{kbUpdate();el.input.scrollIntoView({block:'nearest',behavior:'smooth'})},0)})}
 function activeMeta(){return {sune_name:SUNE.name,model:SUNE.model,avatar:SUNE.avatar}}