diff --git a/internal/api/web/index.html b/internal/api/web/index.html
index 036e623..ce39379 100644
--- a/internal/api/web/index.html
+++ b/internal/api/web/index.html
@@ -65,7 +65,7 @@ button.ghost{background:var(--surface2);color:var(--text)}.meta,.path{color:var(
     <div class="searchbox"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="11" cy="11" r="6"/><path d="m16 16 5 5"/></svg><input id="search" placeholder="搜索文件名，回车执行"></div>
     <div class="toolgroup"><button id="usersBtn" class="ghost" onclick="showUsers()" hidden>用户管理</button><button class="ghost" id="pwdBtn" onclick="changePassword()" hidden>修改密码</button><button class="iconbtn" id="themeBtn" onclick="toggleTheme()" title="主题"><span id="themeIcon"></span></button><span class="view-switch"><button class="iconbtn viewbtn active" id="listBtn" onclick="setView('list')" title="列表"><span id="listIcon"></span></button><button class="iconbtn viewbtn" id="gridBtn" onclick="setView('grid')" title="网格"><span id="gridIcon"></span></button></span></div>
   </div>
-  <div id="bulk" class="bulk"><span id="selectedCount" class="count"></span><button class="ghost" onclick="bulkMove()">移动</button><button class="ghost" onclick="bulkCopy()">复制</button><button class="ghost" onclick="bulkDownload()">下载 ZIP</button><button class="danger" onclick="bulkDelete()">删除</button><button class="ghost" onclick="clearSelection()">取消选择</button></div><div class="card" id="fileCard"><table><thead><tr><th class="check-col"><input class="selectbox" type="checkbox" onchange="toggleAll(this.checked)" title="全选"></th><th><button class="sorthead" onclick="sortBy('name')" title="按名称排序">名称 <span id="sort-name"></span></button></th><th class="size-col"><button class="sorthead" onclick="sortBy('size')" title="按大小排序">大小 <span id="sort-size"></span></button></th><th class="time-col"><button class="sorthead" onclick="sortBy('modified')" title="按修改时间排序">修改时间 <span id="sort-modified"></span></button></th><th class="perm-col">权限</th><th class="action-col"></th></tr></thead><tbody id="files"></tbody></table><div id="grid" class="grid" hidden></div></div></section></div>
+  <div id="bulk" class="bulk"><span id="selectedCount" class="count"></span><button class="ghost" onclick="bulkMove()">移动</button><button class="ghost" onclick="bulkCopy()">复制</button><button class="ghost" onclick="bulkDownload()">下载 ZIP</button><button class="danger" onclick="bulkDelete()">删除</button><button class="ghost" onclick="clearSelection()">取消选择</button></div><div class="card" id="fileCard"><table><thead><tr><th class="check-col"><input id="selectAll" class="selectbox" type="checkbox" onchange="toggleAll(this.checked)" title="全选"></th><th><button class="sorthead" onclick="sortBy('name')" title="按名称排序">名称 <span id="sort-name"></span></button></th><th class="size-col"><button class="sorthead" onclick="sortBy('size')" title="按大小排序">大小 <span id="sort-size"></span></button></th><th class="time-col"><button class="sorthead" onclick="sortBy('modified')" title="按修改时间排序">修改时间 <span id="sort-modified"></span></button></th><th class="perm-col">权限</th><th class="action-col"></th></tr></thead><tbody id="files"></tbody></table><div id="grid" class="grid" hidden></div></div></section></div>
 </main><div id="context" class="context"></div><div id="toastHost" class="toast-host"></div>
 <div class="modal" id="modal"><div class="dialog" id="dialog"></div></div>
 <script>
@@ -87,15 +87,15 @@ function svgIcon(type){const p={folder:'<path d="M3 6.5h6l2 2H21v9.5a2 2 0 0 1-2
 let selectionAnchor=null;
 function itemPath(f){return current?current+"/"+f.name:f.name}
 function selectablePaths(){return lastItems.map(itemPath)}
-function selectItem(p,checked,e){if(checked){const paths=selectablePaths();if(e?.shiftKey&&selectionAnchor){const a=paths.indexOf(selectionAnchor),b=paths.indexOf(p);if(a>=0&&b>=0){const lo=Math.min(a,b),hi=Math.max(a,b);if(!(e.ctrlKey||e.metaKey))selected.clear();for(let i=lo;i<=hi;i++)selected.add(paths[i])}else selected.add(p)}else if(e?.ctrlKey||e?.metaKey){selected.add(p)}else{selected.clear();selected.add(p)}selectionAnchor=p}else{selected.delete(p);selectionAnchor=p}updateSelection()}
+function selectItem(p,checked,e){if(!me?.username)return;if(checked){const paths=selectablePaths();if(e?.shiftKey&&selectionAnchor){const a=paths.indexOf(selectionAnchor),b=paths.indexOf(p);if(a>=0&&b>=0){const lo=Math.min(a,b),hi=Math.max(a,b);if(!(e.ctrlKey||e.metaKey))selected.clear();for(let i=lo;i<=hi;i++)selected.add(paths[i])}else selected.add(p)}else if(e?.ctrlKey||e?.metaKey){selected.add(p)}else{selected.clear();selected.add(p)}selectionAnchor=p}else{selected.delete(p);selectionAnchor=p}updateSelection()}
 let selected=new Set(),lastItems=[],sortKey="name",sortDir=1;
 function sortItems(items){return [...items].sort((a,b)=>{if(a.dir!==b.dir)return a.dir?-1:1;let av=sortKey==="size"?Number(a.size||0):sortKey==="modified"?String(a.modified||""):String(a.name||"").toLocaleLowerCase();let bv=sortKey==="size"?Number(b.size||0):sortKey==="modified"?String(b.modified||""):String(b.name||"").toLocaleLowerCase();return av<bv?-sortDir:av>bv?sortDir:0})}
 function sortBy(key){if(sortKey===key)sortDir*=-1;else{sortKey=key;sortDir=1}if(searchMode){searchItems=sortItems(searchItems);renderSearch(searchItems);return}render(lastItems)}
 function renderSortState(){["name","size","modified"].forEach(k=>{const el=$("sort-"+k);if(el)el.textContent=sortKey===k?(sortDir===1?"↑":"↓"):""})}
 function emptyState(title,text,action=""){const writable=currentMask.includes("W");let buttons="";if(action==="folder"&&writable)buttons='<div class="row"><button onclick="newFolder()">新建文件夹</button><button class="ghost" onclick="newText()">新建文本</button></div>';if(action==="upload"&&writable)buttons='<div class="row"><button onclick="$(\"upload\").click()">上传文件</button><button class="ghost" onclick="newFolder()">新建文件夹</button></div>';return '<div class="empty-state"><div class="empty-icon">'+svgIcon("folder")+'</div><h3>'+esc(title)+'</h3><p>'+esc(text)+'</p>'+buttons+'</div>'}
 function render(items){lastItems=sortItems(items);selected=new Set([...selected].filter(p=>lastItems.some(f=>(current?current+"/":"")+f.name===p)));renderList(lastItems);renderGrid(lastItems);updateSelection();renderSortState()}
-function renderList(items){const body=$("files");body.innerHTML=items.length?items.map(f=>{const p=current?current+"/"+f.name:f.name,canRead=can("read",f),canWrite=can("write",f),canDelete=can("delete",f),selectedNow=selected.has(p),drag=' draggable="true"';const perms='<span class="perm-dot '+(canRead?'read':'')+'"></span><span class="perm-dot '+(canWrite?'write':'')+'"></span><span class="perm-dot '+(canDelete?'delete':'')+'"></span>';return '<tr class="file-row '+(selectedNow?'selected':'')+'"'+drag+' data-file-path="'+esc(p)+'" onclick="handleItemClick(event,'+attrJSON(p)+')" ondblclick="activateItem('+attrJSON(p)+')" ondragstart="fileDragStart(event,'+attrJSON(p)+')" ondragend="fileDragEnd(event)" ondragover="folderDragOver(event,'+attrJSON(p)+')" ondragleave="folderDragLeave(event)" ondrop="folderDrop(event,'+attrJSON(p)+')"><td><input class="selectbox" type="checkbox" '+(selectedNow?"checked":"")+' onclick="event.stopPropagation()" onchange="selectItem('+attrJSON(p)+',this.checked,event)"></td><td><div class="name"><span class="file-kind">'+iconFor(f)+'</span><span>'+esc(f.name)+'</span></div></td><td class="size-cell">'+(f.dir?"—":fmt(f.size))+'</td><td class="time-cell">'+esc(f.modified||"")+'</td><td class="perm-cell">'+perms+'</td><td><div class="actions"><button class="iconbtn" onclick="event.stopPropagation();itemMenu(event,'+attrJSON(p)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button></div></td></tr>'}).join(""):'<tr><td colspan="6">'+emptyState("这个文件夹还是空的","可以上传文件，或者创建一个新的文件夹。","upload")+'</td></tr>'}
-function renderGrid(items){$("grid").innerHTML=items.length?items.map(f=>{const p=current?current+"/"+f.name:f.name,canRead=(f.mask||"").includes("R"),type=fileType(f),selectedNow=selected.has(p),drag=' draggable="true"';let thumb=iconFor(f);if(type==="image"&&canRead)thumb='<img src="/chfs/thumbnail?file='+encodeURIComponent(p)+'" loading="lazy" alt="">';const tileClass=(f.dir?'folder-tile ':'')+(['video','audio'].includes(type)?'media-tile':'');const meta=f.dir?'文件夹':fmt(f.size);return '<div class="tile '+tileClass+(selectedNow?' selected':'')+'"'+drag+' data-file-path="'+esc(p)+'" onclick="handleItemClick(event,'+attrJSON(p)+')" ondblclick="activateItem('+attrJSON(p)+')" oncontextmenu="itemMenu(event,'+attrJSON(p)+');return false" ondragstart="fileDragStart(event,'+attrJSON(p)+')" ondragend="fileDragEnd(event)" ondragover="folderDragOver(event,'+attrJSON(p)+')" ondragleave="folderDragLeave(event)" ondrop="folderDrop(event,'+attrJSON(p)+')"><input class="selectbox tile-check" type="checkbox" '+(selectedNow?'checked':'')+' onclick="event.stopPropagation();selectItem('+attrJSON(p)+',this.checked,event)"><button class="iconbtn tile-action" onclick="event.stopPropagation();itemMenu(event,'+attrJSON(p)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button><div class="thumb">'+thumb+'</div><div class="tile-title">'+iconFor(f)+'<div class="file-name">'+esc(f.name)+'</div></div><div class="tile-meta"><span>'+meta+'</span>'+(f.modified?'<span>'+esc(f.modified)+'</span>':'')+'</div></div>'}).join(''):emptyState("这个文件夹还是空的","上传文件或创建内容后，它们会显示在这里。","upload")}
+function renderList(items){const body=$("files");body.innerHTML=items.length?items.map(f=>{const p=current?current+"/"+f.name:f.name,canRead=can("read",f),canWrite=can("write",f),canDelete=can("delete",f),selectedNow=selected.has(p),drag=' draggable="true"';const perms='<span class="perm-dot '+(canRead?'read':'')+'"></span><span class="perm-dot '+(canWrite?'write':'')+'"></span><span class="perm-dot '+(canDelete?'delete':'')+'"></span>';return '<tr class="file-row '+(selectedNow?'selected':'')+'"'+drag+' data-file-path="'+esc(p)+'" onclick="handleItemClick(event,'+attrJSON(p)+')" ondblclick="activateItem('+attrJSON(p)+')" ondragstart="fileDragStart(event,'+attrJSON(p)+')" ondragend="fileDragEnd(event)" ondragover="folderDragOver(event,'+attrJSON(p)+')" ondragleave="folderDragLeave(event)" ondrop="folderDrop(event,'+attrJSON(p)+')"><td><input class="selectbox row-select" type="checkbox" '+(me?.username?(selectedNow?"checked":""):'')+' '+(!me?.username?'hidden':'')+' onclick="event.stopPropagation()" onchange="selectItem('+attrJSON(p)+',this.checked,event)"></td><td><div class="name"><span class="file-kind">'+iconFor(f)+'</span><span>'+esc(f.name)+'</span></div></td><td class="size-cell">'+(f.dir?"—":fmt(f.size))+'</td><td class="time-cell">'+esc(f.modified||"")+'</td><td class="perm-cell">'+perms+'</td><td><div class="actions"><button class="iconbtn" onclick="event.stopPropagation();itemMenu(event,'+attrJSON(p)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button></div></td></tr>'}).join(""):'<tr><td colspan="6">'+emptyState("这个文件夹还是空的","可以上传文件，或者创建一个新的文件夹。","upload")+'</td></tr>'}
+function renderGrid(items){$("grid").innerHTML=items.length?items.map(f=>{const p=current?current+"/"+f.name:f.name,canRead=(f.mask||"").includes("R"),type=fileType(f),selectedNow=selected.has(p),drag=' draggable="true"';let thumb=iconFor(f);if(type==="image"&&canRead)thumb='<img src="/chfs/thumbnail?file='+encodeURIComponent(p)+'" loading="lazy" alt="">';const tileClass=(f.dir?'folder-tile ':'')+(['video','audio'].includes(type)?'media-tile':'');const meta=f.dir?'文件夹':fmt(f.size);return '<div class="tile '+tileClass+(selectedNow?' selected':'')+'"'+drag+' data-file-path="'+esc(p)+'" onclick="handleItemClick(event,'+attrJSON(p)+')" ondblclick="activateItem('+attrJSON(p)+')" oncontextmenu="itemMenu(event,'+attrJSON(p)+');return false" ondragstart="fileDragStart(event,'+attrJSON(p)+')" ondragend="fileDragEnd(event)" ondragover="folderDragOver(event,'+attrJSON(p)+')" ondragleave="folderDragLeave(event)" ondrop="folderDrop(event,'+attrJSON(p)+')"><input class="selectbox tile-check" type="checkbox" '+(me?.username?(selectedNow?'checked':''):'')+' '+(!me?.username?'hidden':'')+' onclick="event.stopPropagation();selectItem('+attrJSON(p)+',this.checked,event)"><button class="iconbtn tile-action" onclick="event.stopPropagation();itemMenu(event,'+attrJSON(p)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button><div class="thumb">'+thumb+'</div><div class="tile-title">'+iconFor(f)+'<div class="file-name">'+esc(f.name)+'</div></div><div class="tile-meta"><span>'+meta+'</span>'+(f.modified?'<span>'+esc(f.modified)+'</span>':'')+'</div></div>'}).join(''):emptyState("这个文件夹还是空的","上传文件或创建内容后，它们会显示在这里。","upload")}
 function fileDragStart(e,p){const paths=selected.has(p)?[...selected]:[p];e.dataTransfer.effectAllowed="move";e.dataTransfer.setData("text/chfs-paths",JSON.stringify(paths));e.currentTarget.classList.add("dragging")}
 function fileDragEnd(e){e.currentTarget.classList.remove("dragging");document.querySelectorAll('.drop-target').forEach(el=>el.classList.remove('drop-target'))}
 function folderDragOver(e,target){if(!e.dataTransfer?.types.includes('text/chfs-paths'))return;const f=lastItems.find(x=>(current?current+'/':'')+x.name===target);if(!canTargetWrite(f))return;e.preventDefault();if(target===current||target===""||[...selected].some(p=>p===target||target.startsWith(p+'/')))return;e.dataTransfer.dropEffect="move";e.currentTarget.classList.add('drop-target')}
@@ -108,9 +108,9 @@ function guestItemActions(p){const f=lastItems.find(x=>(current?current+"/":"")+
 async function guestCopyShare(url){try{await navigator.clipboard.writeText(url);toast("分享链接已复制");closeModal()}catch{show('<h2>分享链接</h2><div class="field"><input value="'+esc(url)+'" readonly></div><div class="row"><button class="ghost" onclick="closeModal()">关闭</button></div>')}}
 function toggleTile(p){selectItem(p,!selected.has(p))}
 function openSelected(){if(selected.size!==1)return;const p=[...selected][0];if(searchMode){const f=searchItems.find(x=>x.path===p);if(f)openSearchResult(f);return}const f=lastItems.find(x=>(current?current+"/":"")+x.name===p);if(!f)return;if(f.dir&&can("read",f))openDir(p);else if(can("read",f))previewFile(p)}
-function toggleAll(v){const source=searchMode?searchItems:lastItems;source.forEach(f=>{const p=searchMode?f.path:(current?current+"/":"")+f.name;if(v)selected.add(p);else selected.delete(p)});searchMode?updateSelection():render(lastItems)}
+function toggleAll(v){if(!me?.username)return;const source=searchMode?searchItems:lastItems;source.forEach(f=>{const p=searchMode?f.path:(current?current+"/":"")+f.name;if(v)selected.add(p);else selected.delete(p)});searchMode?updateSelection():render(lastItems)}
 function clearSelection(){selected.clear();updateSelection();if(searchMode){renderSearch(searchItems);return}renderGrid(lastItems);renderList(lastItems)}
-function updateSelection(){const n=selected.size;$("bulk").classList.toggle("show",n>0&&!!me?.username);$("selectedCount").textContent=n?("已选择 "+n+" 项"):"";const bulkBtns=$("bulk")?.querySelectorAll("button");if(bulkBtns?.length){bulkBtns[0].hidden=!canSelection("move");bulkBtns[1].hidden=!canSelection("copy");bulkBtns[2].hidden=!canSelection("download");bulkBtns[3].hidden=!canSelection("delete");}const source=searchMode?searchItems:lastItems;const header=$("files").closest("table")?.querySelector("thead .selectbox");if(header){const total=source.length;header.checked=total>0&&n===total;header.indeterminate=n>0&&n<total}document.querySelectorAll("#files .file-row").forEach(row=>{const p=row.dataset.searchPath||row.dataset.filePath;row.classList.toggle("selected",!!p&&selected.has(p));const cb=row.querySelector(".selectbox");if(cb)cb.checked=!!p&&selected.has(p)});$("grid").querySelectorAll(".tile").forEach((el,i)=>{const f=source[i];if(f){const p=searchMode?f.path:(current?current+"/":"")+f.name,yes=selected.has(p);el.classList.toggle("selected",yes);const cb=el.querySelector(".selectbox");if(cb)cb.checked=yes}})}
+function updateSelection(){const isGuest=!me?.username;if(isGuest)selected.clear();const n=selected.size;$("bulk").classList.toggle("show",n>0&&!isGuest);$("selectedCount").textContent=n?("已选择 "+n+" 项"):"";const bulkBtns=$("bulk")?.querySelectorAll("button");if(bulkBtns?.length){bulkBtns[0].hidden=!canSelection("move");bulkBtns[1].hidden=!canSelection("copy");bulkBtns[2].hidden=!canSelection("download");bulkBtns[3].hidden=!canSelection("delete");}const source=searchMode?searchItems:lastItems;const header=$("selectAll");if(header){header.hidden=isGuest;const total=source.length;header.checked=total>0&&n===total;header.indeterminate=n>0&&n<total}document.querySelectorAll("#files .file-row").forEach(row=>{const p=row.dataset.searchPath||row.dataset.filePath;row.classList.toggle("selected",!!p&&selected.has(p));const cb=row.querySelector(".selectbox");if(cb)cb.checked=!!p&&selected.has(p)});$("grid").querySelectorAll(".tile").forEach((el,i)=>{const f=source[i];if(f){const p=searchMode?f.path:(current?current+"/":"")+f.name,yes=selected.has(p);el.classList.toggle("selected",yes);const cb=el.querySelector(".selectbox");if(cb)cb.checked=yes}})}
 function setView(v){localStorage.setItem('chfs-view',v);$("files").parentElement.hidden=v==='grid';$("grid").hidden=v!=='grid';document.querySelectorAll('.viewbtn').forEach(b=>b.classList.remove('active'));$(v+'Btn').classList.add('active')}
 function itemMenu(e,p){e.preventDefault();e.stopPropagation();if(!selected.has(p)){selected.clear();selected.add(p);updateSelection()}const f=lastItems.find(x=>(current?current+'/':'')+x.name===p);const guest=!me.username;if(guest){const canRead=(f?.guestMask||f?.mask||'').includes('R');let html='';if(canRead)html+='<button onclick="downloadFile('+attrJSON(p)+');closeContext()">下载</button>';if(f?.dir&&canRead)html+='<button onclick="downloadDir('+attrJSON(p)+');closeContext()">下载 ZIP</button>';if(canRead)html+='<button onclick="shareItem('+attrJSON(p)+');closeContext()">分享</button>';if(!html)html='<div class="meta" style="padding:8px">没有可用操作</div>';$("context").innerHTML=html;$("context").style.left=Math.min(e.clientX,innerWidth-190)+'px';$("context").style.top=Math.min(e.clientY,innerHeight-220)+'px';$("context").style.display='block';return}const canRead=(f?.mask||'').includes('R'),canWrite=(f?.mask||'').includes('W'),canDelete=(f?.mask||'').includes('D');let html='';if(canRead)html+='<button onclick="downloadFile('+attrJSON(p)+');closeContext()">下载</button>';if(f?.dir&&canRead)html+='<button onclick="downloadDir('+attrJSON(p)+');closeContext()">下载 ZIP</button>';if(canWrite)html+='<button onclick="renameItem('+attrJSON(p)+');closeContext()">重命名</button><button onclick="transferItem('+attrJSON(p)+',false);closeContext()">移动到…</button><button onclick="transferItem('+attrJSON(p)+',true);closeContext()">复制到…</button>';if(canDelete)html+='<button onclick="removeItem('+attrJSON(p)+');closeContext()">删除</button>';if(f?.guestMask?.includes('R'))html+='<button onclick="shareItem('+attrJSON(p)+');closeContext()">分享</button>';if(!html)html='<div class="meta" style="padding:8px">没有可用操作</div>';$("context").innerHTML=html;$("context").style.left=Math.min(e.clientX,innerWidth-190)+'px';$("context").style.top=Math.min(e.clientY,innerHeight-220)+'px';$("context").style.display='block'}
 function closeContext(){$("context").style.display="none"}
@@ -168,9 +168,9 @@ function searchName(f){const p=searchPath(f);return f.name||p.split("/").pop()}
 function searchParent(f){const p=searchPath(f);return p.includes("/")?p.slice(0,p.lastIndexOf("/")):"全部文件"}
 function searchCan(f,mask){if(mask==="R")return can("read",f);if(mask==="W")return can("write",f);if(mask==="D")return can("delete",f);return false}
 function renderSearch(items){searchMode=true;searchItems=sortItems(items);selected=new Set([...selected].filter(p=>searchItems.some(f=>searchPath(f)===p)));$("crumb").textContent="搜索结果";$("files").parentElement.hidden=localStorage.getItem("chfs-view")==="grid";$("grid").hidden=localStorage.getItem("chfs-view")!=="grid";renderSearchList(searchItems);renderSearchGrid(searchItems);updateSelection();renderSortState()}
-function renderSearchList(items){const body=$("files");body.innerHTML=items.length?items.map(f=>{const p=searchPath(f),name=searchName(f),canRead=searchCan(f,"R"),canWrite=searchCan(f,"W"),canDelete=searchCan(f,"D"),selectedNow=selected.has(p),perms='<span class="perm-dot '+(canRead?'read':'')+'"></span><span class="perm-dot '+(canWrite?'write':'')+'"></span><span class="perm-dot '+(canDelete?'delete':'')+'"></span>';return '<tr class="file-row '+(selectedNow?'selected':'')+'" data-search-path="'+esc(p)+'" onclick="selectSearchItem('+attrJSON(p)+',true,event)" ondblclick="openSearchResult('+attrJSON(f)+')" oncontextmenu="searchMenu(event,'+attrJSON(f)+');return false"><td><input class="selectbox" type="checkbox" '+(selectedNow?'checked':'')+' onclick="event.stopPropagation()" onchange="selectSearchItem('+attrJSON(p)+',this.checked,event)"></td><td><div class="name"><span class="file-kind">'+iconFor(f)+'</span><span>'+esc(name)+'</span></div></td><td class="size-cell">'+(f.dir?"—":fmt(f.size))+'</td><td class="time-cell"><span>'+esc(f.modified||"")+'</span><div class="meta">'+esc(searchParent(f))+'</div></td><td class="perm-cell"><span class="perm-dot '+(canRead?'read':'')+'"></span><span class="perm-dot '+(canWrite?'write':'')+'"></span><span class="perm-dot '+(canDelete?'delete':'')+'"></span></td><td><div class="actions"><button class="iconbtn" onclick="event.stopPropagation();searchMenu(event,'+attrJSON(f)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button></div></td></tr>'}).join(""):'<tr><td colspan="6">'+emptyState("没有找到匹配文件","换一个关键词试试，或者清空搜索框返回当前位置。")+'</td></tr>'}
-function renderSearchGrid(items){$("grid").innerHTML=items.length?items.map(f=>{const p=searchPath(f),name=searchName(f),canRead=searchCan(f,"R"),type=fileType(f),selectedNow=selected.has(p);let thumb=iconFor(f);if(type==="image"&&canRead)thumb='<img src="/chfs/thumbnail?file='+encodeURIComponent(p)+'" loading="lazy" alt="">';const tileClass=(f.dir?'folder-tile ':'')+(['video','audio'].includes(type)?'media-tile':'');return '<div class="tile '+tileClass+(selectedNow?' selected':'')+'" data-file-path="'+esc(p)+'" onclick="selectSearchItem('+attrJSON(p)+',true,event)" ondblclick="openSearchResult('+attrJSON(f)+')" oncontextmenu="searchMenu(event,'+attrJSON(f)+');return false"><input class="selectbox tile-check" type="checkbox" '+(selectedNow?'checked':'')+' onclick="event.stopPropagation();selectSearchItem('+attrJSON(p)+',this.checked,event)"><button class="iconbtn tile-action" onclick="event.stopPropagation();searchMenu(event,'+attrJSON(f)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button><div class="thumb">'+thumb+'</div><div class="tile-title">'+iconFor(f)+'<div class="file-name">'+esc(name)+'</div></div><div class="tile-meta"><span>'+esc(searchParent(f)||"全部文件")+'</span>'+(f.modified?'<span>'+esc(f.modified)+'</span>':'')+'</div></div>'}).join(""):'<div class="empty-state search-empty"><div class="empty-icon">'+svgIcon("file")+'</div><h3>没有找到匹配文件</h3><p>换一个关键词试试，或者清空搜索框返回当前位置。</p></div>'}
-function selectSearchItem(p,checked,e){if(checked){if(e?.shiftKey){const paths=searchItems.map(searchPath),anchor=selectionAnchor&&paths.includes(selectionAnchor)?selectionAnchor:[...selected][0],a=paths.indexOf(anchor),b=paths.indexOf(p);if(a>=0&&b>=0){const lo=Math.min(a,b),hi=Math.max(a,b);if(!(e.ctrlKey||e.metaKey))selected.clear();for(let i=lo;i<=hi;i++)selected.add(paths[i])}else selected.add(p)}else if(e?.ctrlKey||e?.metaKey)selected.add(p);else{selected.clear();selected.add(p)}selectionAnchor=p}else{selected.delete(p);selectionAnchor=p}updateSelection();renderSearch(searchItems)}
+function renderSearchList(items){const body=$("files");body.innerHTML=items.length?items.map(f=>{const p=searchPath(f),name=searchName(f),canRead=searchCan(f,"R"),canWrite=searchCan(f,"W"),canDelete=searchCan(f,"D"),selectedNow=selected.has(p),perms='<span class="perm-dot '+(canRead?'read':'')+'"></span><span class="perm-dot '+(canWrite?'write':'')+'"></span><span class="perm-dot '+(canDelete?'delete':'')+'"></span>';return '<tr class="file-row '+(selectedNow?'selected':'')+'" data-search-path="'+esc(p)+'" onclick="selectSearchItem('+attrJSON(p)+',true,event)" ondblclick="openSearchResult('+attrJSON(f)+')" oncontextmenu="searchMenu(event,'+attrJSON(f)+');return false"><td><input class="selectbox row-select" type="checkbox" '+(me?.username?(selectedNow?'checked':''):'')+' '+(!me?.username?'hidden':'')+' onclick="event.stopPropagation()" onchange="selectSearchItem('+attrJSON(p)+',this.checked,event)"></td><td><div class="name"><span class="file-kind">'+iconFor(f)+'</span><span>'+esc(name)+'</span></div></td><td class="size-cell">'+(f.dir?"—":fmt(f.size))+'</td><td class="time-cell"><span>'+esc(f.modified||"")+'</span><div class="meta">'+esc(searchParent(f))+'</div></td><td class="perm-cell"><span class="perm-dot '+(canRead?'read':'')+'"></span><span class="perm-dot '+(canWrite?'write':'')+'"></span><span class="perm-dot '+(canDelete?'delete':'')+'"></span></td><td><div class="actions"><button class="iconbtn" onclick="event.stopPropagation();searchMenu(event,'+attrJSON(f)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button></div></td></tr>'}).join(""):'<tr><td colspan="6">'+emptyState("没有找到匹配文件","换一个关键词试试，或者清空搜索框返回当前位置。")+'</td></tr>'}
+function renderSearchGrid(items){$("grid").innerHTML=items.length?items.map(f=>{const p=searchPath(f),name=searchName(f),canRead=searchCan(f,"R"),type=fileType(f),selectedNow=selected.has(p);let thumb=iconFor(f);if(type==="image"&&canRead)thumb='<img src="/chfs/thumbnail?file='+encodeURIComponent(p)+'" loading="lazy" alt="">';const tileClass=(f.dir?'folder-tile ':'')+(['video','audio'].includes(type)?'media-tile':'');return '<div class="tile '+tileClass+(selectedNow?' selected':'')+'" data-file-path="'+esc(p)+'" onclick="selectSearchItem('+attrJSON(p)+',true,event)" ondblclick="openSearchResult('+attrJSON(f)+')" oncontextmenu="searchMenu(event,'+attrJSON(f)+');return false"><input class="selectbox tile-check" type="checkbox" '+(me?.username?(selectedNow?'checked':''):'')+' '+(!me?.username?'hidden':'')+' onclick="event.stopPropagation();selectSearchItem('+attrJSON(p)+',this.checked,event)"><button class="iconbtn tile-action" onclick="event.stopPropagation();searchMenu(event,'+attrJSON(f)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button><div class="thumb">'+thumb+'</div><div class="tile-title">'+iconFor(f)+'<div class="file-name">'+esc(name)+'</div></div><div class="tile-meta"><span>'+esc(searchParent(f)||"全部文件")+'</span>'+(f.modified?'<span>'+esc(f.modified)+'</span>':'')+'</div></div>'}).join(""):'<div class="empty-state search-empty"><div class="empty-icon">'+svgIcon("file")+'</div><h3>没有找到匹配文件</h3><p>换一个关键词试试，或者清空搜索框返回当前位置。</p></div>'}
+function selectSearchItem(p,checked,e){if(!me?.username)return;if(checked){if(e?.shiftKey){const paths=searchItems.map(searchPath),anchor=selectionAnchor&&paths.includes(selectionAnchor)?selectionAnchor:[...selected][0],a=paths.indexOf(anchor),b=paths.indexOf(p);if(a>=0&&b>=0){const lo=Math.min(a,b),hi=Math.max(a,b);if(!(e.ctrlKey||e.metaKey))selected.clear();for(let i=lo;i<=hi;i++)selected.add(paths[i])}else selected.add(p)}else if(e?.ctrlKey||e?.metaKey)selected.add(p);else{selected.clear();selected.add(p)}selectionAnchor=p}else{selected.delete(p);selectionAnchor=p}updateSelection();renderSearch(searchItems)}
 function toggleSearchItem(p,checked,e){selectSearchItem(p,checked,e)}
 function searchMenu(e,f){e.preventDefault();e.stopPropagation();const p=searchPath(f);if(!selected.has(p)){selected.clear();selected.add(p)}updateSelection();let html='';if(!me?.username){if(can("read",f))html+='<button onclick="downloadFile('+attrJSON(p)+');closeContext()">下载</button><button onclick="shareItem('+attrJSON(p)+');closeContext()">分享</button>'}else{const canRead=can("read",f),canWrite=can("write",f),canDelete=can("delete",f);if(canRead)html+='<button onclick="downloadFile('+attrJSON(p)+');closeContext()">下载</button>';if(f.dir&&canRead)html+='<button onclick="downloadDir('+attrJSON(p)+');closeContext()">下载 ZIP</button>';if(canWrite)html+='<button onclick="renameItem('+attrJSON(p)+');closeContext()">重命名</button><button onclick="transferItem('+attrJSON(p)+',false);closeContext()">移动到…</button><button onclick="transferItem('+attrJSON(p)+',true);closeContext()">复制到…</button>';if(canDelete)html+='<button onclick="removeItem('+attrJSON(p)+');closeContext()">删除</button>';if(f.guestMask?.includes("R"))html+='<button onclick="shareItem('+attrJSON(p)+');closeContext()">分享</button>'}if(!html)html='<div class="meta" style="padding:8px">没有可用操作</div>';$("context").innerHTML=html;$("context").style.left=Math.min(e.clientX,innerWidth-190)+"px";$("context").style.top=Math.min(e.clientY,innerHeight-220)+"px";$("context").style.display="block"}
 function openSearchResult(f){if(f.dir){current=f.path;navigationRoot=me.home&&f.path.startsWith(me.home)?me.home:f.path.split("/")[0]||"";searchMode=false;$("search").value="";selected.clear();refresh()}else previewFile(f.path)}