diff --git a/src/ui.js b/src/ui.js
index 2d8178c..00635fd 100644
--- a/src/ui.js
+++ b/src/ui.js
@@ -3,7 +3,7 @@ import { state, cacheStore } from './state.js'
 import { SUNE } from './sune.js'
 import { THREAD } from './thread.js'
 import { USER } from './user.js'
-import { esc, gid, positionPopover, imgToWebp, asDataURL, b64, titleFrom } from './utils.js'
+import { esc, gid, positionPopover, imgToWebp, asDataURL, b64, titleFrom, partsToText } from './utils.js'
 import { generateTitleWithAI } from './api.js'
 
 export const getModelShort=m=>{const mm=m||SUNE.model||'';return mm.includes('/')?mm.split('/').pop():mm}
@@ -16,7 +16,6 @@ export const renderSidebar=()=>{const list=[...SUNE.list].sort((a,b)=>(b.pinned-
 export const getSuneLabel=m=>{const name=(m&&m.sune_name)||SUNE.name,modelShort=getModelShort(m&&m.model);return `${name} · ${modelShort}`}
 export function _createMessageRow(m){const role=typeof m==='string'?m:(m&&m.role)||'assistant',meta=typeof m==='string'?{}:m||{},isUser=role==='user',$row=$('<div class="flex flex-col gap-2"></div>'),$head=$('<div class="flex items-center gap-2 px-4"></div>'),$avatar=$('<div></div>');const uAva=isUser?USER.avatar:meta.avatar;uAva?$avatar.attr('class','msg-avatar shrink-0 h-7 w-7 rounded-full overflow-hidden').html(`<img src="${esc(uAva)}" class="h-full w-full object-cover">`):$avatar.attr('class',`${isUser?'bg-gray-900 text-white':'bg-gray-200 text-gray-900'} msg-avatar shrink-0 h-7 w-7 rounded-full flex items-center justify-center`).text(isUser?'👤':'✺');const $name=$('<div class="text-xs font-medium text-gray-500"></div>').text(isUser?USER.name:getSuneLabel(meta));const $deleteBtn=$('<button class="p-1.5 rounded-lg hover:bg-gray-200 text-gray-400 hover:text-red-500" title="Delete message"><i data-lucide="x" class="h-4 w-4"></i></button>').on('click',async e=>{e.stopPropagation();state.messages=state.messages.filter(msg=>msg.id!==m.id);$row.remove();await THREAD.persist()});const $copyBtn=$('<button class="ml-auto p-1.5 rounded-lg hover:bg-gray-200 text-gray-400 hover:text-gray-600" title="Copy message"><i data-lucide="copy" class="h-4 w-4"></i></button>').on('click',async function(e){e.stopPropagation();try{await navigator.clipboard.writeText(partsToText(m.content));$(this).html('<i data-lucide="check" class="h-4 w-4 text-green-500"></i>');icons();setTimeout(()=>{$(this).html('<i data-lucide="copy" class="h-4 w-4"></i>');icons()},1200)}catch{}});$head.append($avatar,$name,$copyBtn,$deleteBtn);const $bubble=$(`<div class="${(isUser?'bg-gray-50 border border-gray-200':'bg-gray-100')+' msg-bubble markdown-body rounded-none px-4 py-3 w-full'}"></div>`);$row.append($head,$bubble);return $row}
 export function msgRow(m){const $row=_createMessageRow(m);$(el.messages).append($row);queueMicrotask(()=>{el.chat.scrollTo({top:el.chat.scrollHeight,behavior:'smooth'});icons()});return $row.find('.msg-bubble')[0]}
-export function partsToText(parts){if(!parts)return'';if(Array.isArray(parts))return parts.map(p=>p?.type==='text'?p.text:(p?.type==='image_url'?`![](${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)}
 export const addMessage=function(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);if(m.role==='assistant')el.composer.dispatchEvent(new CustomEvent('sune:newSuneResponse',{detail:{message:m}}));return bubble}
 export const addSuneBubbleStreaming=(meta,id)=>msgRow(Object.assign({role:'assistant',id},meta))
 export const clearChat=()=>{el.suneHtml.dispatchEvent(new CustomEvent('sune:unmount'));state.messages=[];el.messages.innerHTML='';state.attachments=[];updateAttachBadge();el.fileInput.value=''}