diff --git a/pigway_frame_flow/web/app.js b/pigway_frame_flow/web/app.js
index fc96908..c870690 100644
--- a/pigway_frame_flow/web/app.js
+++ b/pigway_frame_flow/web/app.js
@@ -143,7 +143,7 @@ const views={
async upload(){state.preview=null;$('#main').innerHTML=notice()+`${t('uploadNotice')}
${t('upload')}
${buttons('make-preview','preview',true)}${t('previewHint')}
${t('preview')}
${t('previewHint')}
![Preview]()
';await blobImage($('#upload-preview'),state.preview.url);$('#save-local').disabled=false;$('#display-upload').disabled=!liveWriteAllowed();});for(const id of ['file','fit','profile'])$('#'+id).onchange=()=>{state.preview=null;$('#save-local').disabled=true;$('#display-upload').disabled=true;};bind('save-local',async()=>{const id=await accepted('/api/v1/devices/'+state.device+'/upload',{type:'image',asset_id:state.preview.asset_id});await waitOperation(id);state.tab='local';return navigate('gallery');});bind('display-upload',()=>displayDialog({type:'image',asset_id:state.preview.asset_id}));},
async templates(){state.templates=await api('/api/v1/templates');const selected=state.templates.find(x=>x.id===state.selectedTemplate)||state.templates[0];state.selectedTemplate=selected.id;if(state.pendingTemplateData?.template===selected.id){selected.defaults=state.pendingTemplateData.data;state.initialProfile=state.pendingTemplateData.profile;state.pendingTemplateData=null;}state.templatePreview=null;$('#main').innerHTML=notice()+`${t('templateHint')}
${t('templateSteps')}
${state.templates.map((x,i)=>`
${{'daily-poetry':'詩','calendar':'▦','daily-dashboard':'☀','photo-text':'▣','quote':'❝','system-alert':'◒','weather':'☁'}[x.id]||'▦'}${esc(x.name.split(' / ')[state.lang==='zh'?1:0]||x.name)}
1200 × 1600 · ${esc(x.id)} `).join('')}
${t('templateData')}
${t('templateGuideTitle')}
${t({'photo-text':'guidePhotoText','daily-dashboard':'guideDashboard',weather:'guideWeather',calendar:'guideCalendar',quote:'guideQuote','daily-poetry':'guidePoetry','system-alert':'guideAlert'}[selected.id]||'templateContentHelp')}
${['weather','daily-dashboard'].includes(selected.id)?`${t('templateWeatherHelp')}
`:''}${t('helpProfile')}
${t('templateActionHelp')}
${t('templateAutomationHelp')}
${buttons('render-template','render',true)}${buttons('save-template','saveTemplate')}
${t('preview')}
${t('templatePreviewHint')}
![Template preview]()
';await blobImage($('#template-image'),op.result.url);$('#display-template').disabled=!liveWriteAllowed();});bind('save-template',async()=>{await api('/api/v1/templates/'+selected.id+'/config',{method:'PUT',body:{data:JSON.parse($('#template-data').value)}});toast(t('done'));});$('#template-data').oninput=()=>$('#display-template').disabled=true;$('#template-profile').onchange=()=>$('#display-template').disabled=true;bind('display-template',()=>displayDialog({type:'image',asset_id:state.templatePreview}));await templateEditor(selected);if(state.initialProfile){$('#template-profile').value=state.initialProfile;state.initialProfile=null;}},
async playlists(epoch){const playlists=await api('/api/v1/playlists');if(epoch!==state.epoch)return;$('#main').innerHTML=notice()+`${t('playlistNotice')}
${t('playlists')}
${buttons('new-playlist','newPlaylist',true)}${playlists.map((p,i)=>`
${t(p.enabled?'enabled':'disabled')}${esc(p.name)}
${p.image_ids.length} ${t('count')} · ${p.interval_minutes} ${t('minutes')} · ${t(p.mode)}
${esc(p.image_ids.join(' → '))}
${t('lastScheduled')}: ${p.position>=0?esc(p.image_ids[p.position]):'—'}`).join('')||`
${t('noTasks')}
`}
${t('history')}
${buttons('history-refresh','refresh')}${ops.some(x=>x.status==='UNKNOWN')?`${t('unknown')}
`:''}${ops.length?`
${['created','action','status','result','client','requestId'].map(x=>`| ${t(x)} | `).join('')}
${ops.map((o,i)=>`| ${fmt(o.created_at)} | ${esc(operationActionLabel(o.action))}
${esc(deviceNameForId(o.device_id))} | ${t(o.status)}${o.status==='UNKNOWN'?``:''} | ${esc(o.result?.image_id||o.result?.asset_id||operationErrorLabel(o.error)||'—')} | ${esc(operationClientLabel(o.client_id))} | ${esc(o.request_id)}
${esc(o.operation_id)} |
`).join('')}
`:`
${t('noHistory')}
`}
${t('reconcile')}
${t('current')}: ${esc(r.current_image_id)}
${t('result')}: ${esc(r.expected_image_id)}
${t('unknown')}
${buttons('modal-cancel','cancel')}${r.resolved?'':buttons('acknowledge','acknowledge')}
`);bind('acknowledge',async()=>{await api('/api/v1/operations/'+o.operation_id+'/reconcile',{method:'POST',body:{acknowledge:true}});$('#modal').close();await navigate();});}));},
+ async history(epoch){const ops=await api('/api/v1/operations');if(epoch!==state.epoch)return;$('#main').innerHTML=`${t('history')}
${buttons('history-refresh','refresh')}${ops.some(x=>x.status==='UNKNOWN')?`${t('unknown')}
`:''}${ops.length?`
${['created','action','status','result','client','requestId'].map(x=>`| ${t(x)} | `).join('')}
${ops.map((o,i)=>`| ${fmt(o.created_at)} | ${esc(operationActionLabel(o.action))}
${esc(deviceNameForId(o.device_id))} | ${t(o.status)}${o.status==='UNKNOWN'?``:''} | ${esc(o.result?.image_id||o.result?.asset_id||operationErrorLabel(o.error)||'—')} | ${esc(operationClientLabel(o.client_id))} | ${esc(o.request_id)}
${esc(o.operation_id)} |
`).join('')}
`:`
${t('noHistory')}
`}
${t('reconcile')}
${t('current')}: ${esc(r.current_image_id)}
${t('result')}: ${esc(r.expected_image_id)}
${t('unknown')}
${buttons('modal-cancel','cancel')}${r.resolved?'':buttons('acknowledge','acknowledge')}
`);bind('acknowledge',async()=>{await api('/api/v1/operations/'+o.operation_id+'/reconcile',{method:'POST',body:{acknowledge:true}});$('#modal').close();await navigate();});}));},
async settings(){state.settings=await api('/api/v1/settings');const s=state.settings;$('#main').innerHTML=notice()+`${t('settings')}
${t('tokenHint')}
${buttons('logout','logout')}${t('auth')}
${detail('version',s.version)}${detail('writeProtection',t(!s.write_enabled?'yes':'no'))}${detail('keyConfigured',t(s.api_key_configured?'yes':'no'))}${detail('timezone',s.timezone)}
${t('refreshInterval')}
${t('apiDocs')} →GET /openapi.json · /api/v1