diff --git a/src/main.js b/src/main.js
index 994588b..97e8f47 100644
--- a/src/main.js
+++ b/src/main.js
@@ -113,11 +113,11 @@ const htmlTabs={index:['htmlTab_index','htmlEditor'],extension:['htmlTab_extensi
 el.htmlTab_index.textContent='index.html';el.htmlTab_extension.textContent='extension.html';
 el.htmlTab_index.onclick=()=>showHtmlTab('index');el.htmlTab_extension.onclick=()=>showHtmlTab('extension');
 const ghApi=async(path,method='GET',body=null)=>{const t=USER.githubToken;if(!t)throw new Error('No GH token');const r=await fetch(`https://api.github.com/repos/${path}`,{method,headers:{'Authorization':`token ${t}`,'Accept':'application/vnd.github.v3+json','Content-Type':'application/json'},body:body?JSON.stringify(body):null});if(!r.ok&&r.status!==404)throw new Error(`GH API ${r.status}`);return r.status===404?null:r.json()};
-const parseGhUrl=u=>{const p=u.substring(5).split('/'),owner=p[0],repoPart=p[1]||'',branch=repoPart.includes('@')?repoPart.split('@')[1]:'main',repo=repoPart.split('@')[0],path=p.slice(2).join('/');const dirPath=path?path+'/':'';return{owner,repo,branch,path,full:`${owner}/${repo}/contents/${dirPath}index.json?ref=${branch}`,dir:`${owner}/${repo}/contents/${dirPath}`.replace(/\/$/,'')+'/'}};
+const parseGhUrl=u=>{const p=u.substring(5).split('/'),owner=p[0],repoPart=p[1]||'',branch=repoPart.includes('@')?repoPart.split('@')[1]:'main',repo=repoPart.split('@')[0],path=p.slice(2).join('/').replace(/\/$/,'');return{owner,repo,branch,path,apiPath:`${owner}/${repo}/contents${path?'/'+path:''}`}};
 $(el.threadRepoInput).on('change',async()=>{const u=el.threadRepoInput.value.trim();localStorage.setItem('thread_repo_url',u);if(state.currentThreadId){state.currentThreadId=null;clearChat()}el.threadFolderBtn.classList.toggle('hidden',!u.startsWith('gh://'));el.threadBackBtn.classList.toggle('hidden',!u.startsWith('gh://')||u.split('/').length<=3);await THREAD.load();await renderThreads()});
 $(el.threadBackBtn).on('click',()=>{const u=el.threadRepoInput.value.trim();if(!u.startsWith('gh://'))return;const p=u.split('/');if(p.length>3){p.pop();el.threadRepoInput.value=p.join('/');el.threadRepoInput.dispatchEvent(new Event('change'))}});
 $(el.threadFolderBtn).on('click',async()=>{const n=prompt('Folder name:');if(!n)return;THREAD.list.unshift({id:n.trim(),title:n.trim(),type:'folder',updatedAt:Date.now()});await THREAD.save();await renderThreads()});
-$(el.threadSyncBtn).on('click',async()=>{const u=el.threadRepoInput.value.trim();if(!u.startsWith('gh://'))return;const mode=confirm('Sync Threads:\nOK = Upload (Push)\nCancel = Download (Pull)');const info=parseGhUrl(u);try{if(mode){const remoteItems=await ghApi(`${info.owner}/${info.repo}/contents/${info.path}?ref=${info.branch}`)||[],remoteMap={};remoteItems.forEach(i=>{const d=deserializeThreadName(i.name);if(d)remoteMap[d.id]={name:i.name,sha:i.sha}});const toRemove=[];for(const t of THREAD.list){if(t.status==='deleted'){if(remoteMap[t.id]){await ghApi(`${info.owner}/${info.repo}/contents/${info.path}/${remoteMap[t.id].name}`,'DELETE',{message:`Delete thread ${t.id}`,sha:remoteMap[t.id].sha,branch:info.branch});await localforage.removeItem('rem_t_'+t.id)}toRemove.push(t.id);continue}if(t.type!=='thread')continue;if(t.status==='modified'||t.status==='new'){const newName=serializeThreadName(t),msgs=await localforage.getItem('rem_t_'+t.id);if(remoteMap[t.id]&&remoteMap[t.id].name!==newName){await ghApi(`${info.owner}/${info.repo}/contents/${info.path}/${remoteMap[t.id].name}`,'DELETE',{message:`Rename thread ${t.id}`,sha:remoteMap[t.id].sha,branch:info.branch})}const ex=await ghApi(`${info.owner}/${info.repo}/contents/${info.path}/${newName}?ref=${info.branch}`);await ghApi(`${info.owner}/${info.repo}/contents/${info.path}/${newName}`,'PUT',{message:`Sync thread ${t.id}`,content:utob(JSON.stringify(msgs,null,2)),branch:info.branch,sha:ex?.sha});t.status='synced'}}THREAD.list=THREAD.list.filter(x=>!toRemove.includes(x.id));await THREAD.save();alert('Pushed to GitHub.')}else{const items=await ghApi(`${info.owner}/${info.repo}/contents/${info.path}?ref=${info.branch}`);if(!items){THREAD.list=[];await THREAD.save();alert('Remote is empty.')}else{THREAD.list=items.map(i=>{if(i.type==='dir')return {id:i.name,title:i.name,type:'folder',updatedAt:0};const d=deserializeThreadName(i.name);return d?{...d,status:'synced'}:null}).filter(Boolean);await THREAD.save();alert('Pulled from GitHub.')}}await renderThreads()}catch(e){alert('Sync failed: '+e.message)}});
+$(el.threadSyncBtn).on('click',async()=>{const u=el.threadRepoInput.value.trim();if(!u.startsWith('gh://'))return;const mode=confirm('Sync Threads:\nOK = Upload (Push)\nCancel = Download (Pull)');const info=parseGhUrl(u);try{if(mode){const remoteItems=await ghApi(`${info.apiPath}?ref=${info.branch}`)||[],remoteMap={};remoteItems.forEach(i=>{const d=deserializeThreadName(i.name);if(d)remoteMap[d.id]={name:i.name,sha:i.sha}});const toRemove=[];for(const t of THREAD.list){if(t.status==='deleted'){if(remoteMap[t.id]){await ghApi(`${info.apiPath}/${remoteMap[t.id].name}`,'DELETE',{message:`Delete thread ${t.id}`,sha:remoteMap[t.id].sha,branch:info.branch});await localforage.removeItem('rem_t_'+t.id)}toRemove.push(t.id);continue}if(t.type!=='thread')continue;if(t.status==='modified'||t.status==='new'){const newName=serializeThreadName(t),msgs=await localforage.getItem('rem_t_'+t.id);if(remoteMap[t.id]&&remoteMap[t.id].name!==newName){await ghApi(`${info.apiPath}/${remoteMap[t.id].name}`,'DELETE',{message:`Rename thread ${t.id}`,sha:remoteMap[t.id].sha,branch:info.branch})}const ex=await ghApi(`${info.apiPath}/${newName}?ref=${info.branch}`);await ghApi(`${info.apiPath}/${newName}`,'PUT',{message:`Sync thread ${t.id}`,content:utob(JSON.stringify(msgs,null,2)),branch:info.branch,sha:ex?.sha});t.status='synced'}}THREAD.list=THREAD.list.filter(x=>!toRemove.includes(x.id));await THREAD.save();alert('Pushed to GitHub.')}else{const items=await ghApi(`${info.apiPath}?ref=${info.branch}`);if(!items){THREAD.list=[];await THREAD.save();alert('Remote is empty.')}else{THREAD.list=items.map(i=>{if(i.type==='dir')return {id:i.name,title:i.name,type:'folder',updatedAt:0};const d=deserializeThreadName(i.name);return d?{...d,status:'synced'}:null}).filter(Boolean);await THREAD.save();alert('Pulled from GitHub.')}}await renderThreads()}catch(e){alert('Sync failed: '+e.message)}});
 init()
 const accountTabs={General:['accountTabGeneral','accountPanelGeneral'],API:['accountTabAPI','accountPanelAPI'],User:['accountTabUser','accountPanelUser']};function showAccountTab(key){Object.entries(accountTabs).forEach(([k,[tb,pn]])=>{el[tb].classList.toggle('border-black',k===key);el[pn].classList.toggle('hidden',k!==key)})}
 function openAccountSettings(){el.set_provider.value=USER.provider||'openrouter';el.set_api_key_or.value=USER.apiKeyOpenRouter||'';el.set_api_key_oai.value=USER.apiKeyOpenAI||'';el.set_api_key_g.value=USER.apiKeyGoogle||'';el.set_api_key_claude.value=USER.apiKeyClaude||'';el.set_api_key_cf.value=USER.apiKeyCloudflare||'';el.set_master_prompt.value=USER.masterPrompt||'';el.set_title_model.value=USER.titleModel;el.set_gh_token.value=USER.githubToken||'';const sa=USER.gcpSA;el.gcpSAUploadBtn.textContent=sa&&sa.project_id?`Uploaded: ${sa.project_id}`:'Upload .json';el.set_user_name.value=USER.name;el.userAvatarPreview.src=USER.avatar||'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=';el.userAvatarPreview.classList.toggle('bg-gray-200',!USER.avatar);el.set_donor.checked=USER.donor;const updateProv=()=>{const d=el.set_donor.checked;Array.from(el.set_provider.options).forEach(o=>{if(o.value!=='openrouter'){o.disabled=!d;if(!d)o.hidden=true;else o.hidden=false}});if(!d&&el.set_provider.value!=='openrouter')el.set_provider.value='openrouter'};updateProv();el.set_donor.onchange=updateProv;showAccountTab('General');el.accountSettingsModal.classList.remove('hidden')}