diff --git a/chfs-ng/internal/api/web/index.html b/chfs-ng/internal/api/web/index.html
index 4140f96..1cb860c 100644
--- a/chfs-ng/internal/api/web/index.html
+++ b/chfs-ng/internal/api/web/index.html
@@ -21,7 +21,7 @@ body{background:var(--bg);color:var(--text);transition:background .2s,color .2s}
 button.ghost{background:var(--surface2);color:var(--text)}button.danger{background:var(--danger)}.meta,.path{color:var(--muted)}
 .card{box-shadow:var(--shadow)}th{background:var(--surface2);color:var(--muted)}th,td{border-color:var(--border)}.field input,.toolbar input,.field select{background:var(--surface);color:var(--text);border-color:var(--border)}
 .iconbtn{width:38px;height:38px;padding:0;background:var(--surface2);color:var(--text);display:inline-flex;align-items:center;justify-content:center}.ui-icon{width:18px;height:18px;display:block;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.ui-icon.fill{fill:currentColor;stroke:none}.viewbtn.active{background:var(--primary);color:#fff}.selectbox{width:18px;height:18px;accent-color:var(--primary)}
-.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;padding:16px}.tile{position:relative;border:1px solid var(--border);border-radius:16px;padding:12px;background:var(--surface);min-height:192px;cursor:pointer;transition:border-color .16s,box-shadow .16s,transform .16s}.tile:hover{border-color:var(--primary);box-shadow:0 10px 28px rgba(20,30,50,.08);transform:translateY(-1px)}.tile.selected{border-color:var(--primary);box-shadow:0 0 0 2px rgba(37,99,235,.14)}.tile .thumb{height:112px;display:flex;align-items:center;justify-content:center;border-radius:11px;background:var(--surface2);overflow:hidden;margin-bottom:11px;color:var(--muted);transition:background .16s}.tile:hover .thumb{background:var(--surface2)}.tile .thumb .ui-icon{width:44px;height:44px;stroke-width:1.35}.tile .thumb img{width:100%;height:100%;object-fit:cover;display:block}.tile .tile-title{display:flex;align-items:center;gap:7px;min-width:0;padding:0 2px}.tile .tile-title .ui-icon{width:16px;height:16px;flex:0 0 auto}.tile .file-name{font-size:14px;font-weight:560;line-height:1.35}.tile .tile-meta{display:flex;gap:8px;padding:6px 2px 0;color:var(--muted);font-size:12px}.tile .tile-check{position:absolute;left:10px;top:10px;opacity:0;transition:opacity .14s}.tile:hover .tile-check,.tile.selected .tile-check{opacity:1}.tile .tile-action{position:absolute;right:9px;top:9px;width:30px;height:30px;padding:0;border:1px solid var(--border);background:var(--surface);color:var(--text);opacity:0;transition:opacity .14s}.tile:hover .tile-action,.tile.selected .tile-action{opacity:1}.tile .tile-action .ui-icon{width:15px;height:15px}.tile.folder-tile .thumb{background:var(--surface2)}.tile.media-tile .thumb{background:#0d1218;color:#d7e0ec}.tile.media-tile .thumb .ui-icon{stroke-width:1.45}.progress{height:8px;background:var(--surface2);border-radius:99px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:var(--primary);transition:width .15s}.upload-row{display:grid;gap:7px;padding:10px 0;border-bottom:1px solid var(--border)}.drop-active{border-color:var(--primary)!important;background:var(--surface2)!important}.qr{width:min(320px,80vw);aspect-ratio:1;margin:auto;display:block;border-radius:12px;background:#fff}.drop-hint{color:var(--muted);font-size:13px;margin-top:7px}.tile .tilecheck{position:absolute;top:9px;left:9px}.tile .tilemenu{position:absolute;right:7px;top:7px}.file-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bulk{display:none;align-items:center;gap:8px;margin-bottom:12px}.bulk.show{display:flex}.bulk .count{font-weight:650;margin-right:auto}.layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:16px}.sidebar{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px;height:max-content;position:sticky;top:82px}.side-title{font-size:12px;font-weight:700;color:var(--muted);padding:6px 9px}.side-item{width:100%;text-align:left;background:transparent;color:var(--text);margin:2px 0}.side-item.active{background:var(--surface2);color:var(--primary)}@media(max-width:900px){.layout{display:block}.sidebar{position:static;margin-bottom:14px;display:flex;gap:6px;overflow:auto}.side-title{display:none}.side-item{white-space:nowrap;width:auto}}.toast-host{position:fixed;right:18px;bottom:18px;z-index:20;display:grid;gap:8px}.toast{min-width:240px;max-width:min(420px,calc(100vw - 36px));padding:11px 14px;border:1px solid var(--border);border-radius:11px;background:var(--surface);box-shadow:var(--shadow);color:var(--text);animation:toastIn .18s ease}@keyframes toastIn{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}.toast.error{border-color:var(--danger)}.context{position:fixed;z-index:10;display:none;min-width:170px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:10px;padding:5px}.context button{display:block;width:100%;text-align:left;background:transparent;color:var(--text);border-radius:7px}.context button:hover{background:var(--surface2)}
+.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;padding:16px}.tile{position:relative;border:1px solid var(--border);border-radius:16px;padding:12px;background:var(--surface);min-height:192px;cursor:pointer;transition:border-color .16s,box-shadow .16s,transform .16s}.tile:hover{border-color:var(--primary);box-shadow:0 10px 28px rgba(20,30,50,.08);transform:translateY(-1px)}.tile.selected{border-color:var(--primary);box-shadow:0 0 0 2px rgba(37,99,235,.14)}.tile .thumb{height:112px;display:flex;align-items:center;justify-content:center;border-radius:11px;background:var(--surface2);overflow:hidden;margin-bottom:11px;color:var(--muted);transition:background .16s}.tile:hover .thumb{background:var(--surface2)}.tile .thumb .ui-icon{width:44px;height:44px;stroke-width:1.35}.tile .thumb img{width:100%;height:100%;object-fit:cover;display:block}.tile .tile-title{display:flex;align-items:center;gap:7px;min-width:0;padding:0 2px}.tile .tile-title .ui-icon{width:16px;height:16px;flex:0 0 auto}.tile .file-name{font-size:14px;font-weight:560;line-height:1.35}.tile .tile-meta{display:flex;gap:8px;padding:6px 2px 0;color:var(--muted);font-size:12px}.tile .tile-check{position:absolute;left:10px;top:10px;opacity:0;transition:opacity .14s}.tile:hover .tile-check,.tile.selected .tile-check{opacity:1}.tile .tile-action{position:absolute;right:9px;top:9px;width:30px;height:30px;padding:0;border:1px solid var(--border);background:var(--surface);color:var(--text);opacity:0;transition:opacity .14s}.tile:hover .tile-action,.tile.selected .tile-action{opacity:1}.tile .tile-action .ui-icon{width:15px;height:15px}.tile.folder-tile .thumb{background:var(--surface2)}.tile.media-tile .thumb{background:#0d1218;color:#d7e0ec}.tile.media-tile .thumb .ui-icon{stroke-width:1.45}.progress{height:8px;background:var(--surface2);border-radius:99px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:var(--primary);transition:width .15s}.upload-row{display:grid;gap:7px;padding:10px 0;border-bottom:1px solid var(--border)}.drop-active{border-color:var(--primary)!important;background:var(--surface2)!important}.qr{width:min(320px,80vw);aspect-ratio:1;margin:auto;display:block;border-radius:12px;background:#fff}.drop-hint{color:var(--muted);font-size:13px;margin-top:7px}.tile .tilecheck{position:absolute;top:9px;left:9px}.tile .tilemenu{position:absolute;right:7px;top:7px}.file-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bulk{display:none;align-items:center;gap:8px;margin-bottom:12px}.bulk.show{display:flex}.bulk .count{font-weight:650;margin-right:auto}.layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:16px}.sidebar{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px;height:max-content;position:sticky;top:82px}.side-title{font-size:12px;font-weight:700;color:var(--muted);padding:6px 9px}.side-item{width:100%;text-align:left;background:transparent;color:var(--text);margin:2px 0}.side-item.active{background:var(--surface2);color:var(--primary)}@media(max-width:900px){.layout{display:block}.sidebar{position:static;margin-bottom:14px;display:flex;gap:6px;overflow:auto}.side-title{display:none}.side-item{white-space:nowrap;width:auto}}.toast-host{position:fixed;right:18px;bottom:18px;z-index:20;display:grid;gap:8px}.toast{min-width:240px;max-width:min(420px,calc(100vw - 36px));padding:11px 14px;border:1px solid var(--border);border-radius:11px;background:var(--surface);box-shadow:var(--shadow);color:var(--text);animation:toastIn .18s ease}@keyframes toastIn{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}.toast.error{border-color:var(--danger)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:58px 24px;min-height:260px;color:var(--muted)}.empty-state .empty-icon{width:58px;height:58px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:16px;background:var(--surface2);margin-bottom:14px;color:var(--muted)}.empty-state .empty-icon .ui-icon{width:27px;height:27px;stroke-width:1.45}.empty-state h3{margin:0 0 6px;color:var(--text);font-size:16px}.empty-state p{margin:0;max-width:420px;font-size:13px;line-height:1.6}.empty-state .row{margin-top:16px}.empty-state.search-empty{min-height:300px}.context{position:fixed;z-index:10;display:none;min-width:170px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:10px;padding:5px}.context button{display:block;width:100%;text-align:left;background:transparent;color:var(--text);border-radius:7px}.context button:hover{background:var(--surface2)}
 </style>
 </head>
 <body>
@@ -59,9 +59,10 @@ 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}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=$("files");body.innerHTML=items.map(f=>{const p=current?current+"/"+f.name:f.name,canRead=(f.mask||"").includes("R"),canWrite=(f.mask||"").includes("W"),canDelete=(f.mask||"").includes("D"),selectedNow=selected.has(p);const perms='<span class="perm-dot '+(canRead?'read':'')+'"></span><span class="perm-dot '+(canWrite?'write':'')+'"></span><span class="perm-dot '+(canDelete?'delete':'')+'"></span>';return '<tr class="file-row '+(selectedNow?'selected':'')+'" onclick="selectItem('+JSON.stringify(p)+',true)" ondblclick="activateItem('+JSON.stringify(p)+')"><td><input class="selectbox" type="checkbox" '+(selectedNow?"checked":"")+' onclick="event.stopPropagation()" onchange="selectItem('+JSON.stringify(p)+',this.checked)"></td><td><div class="name"><span class="file-kind">'+iconFor(f)+'</span><span>'+esc(f.name)+'</span></div></td><td class="size-cell">'+(f.dir?"—":fmt(f.size))+'</td><td class="time-cell">'+esc(f.modified||"")+'</td><td class="perm-cell">'+perms+'</td><td><div class="actions"><button class="iconbtn" onclick="itemMenu(event,'+JSON.stringify(p)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button></div></td></tr>'}).join("")||'<tr><td colspan="6" class="empty">这里还没有文件</td></tr>'}
-function renderGrid(items){$("grid").innerHTML=items.map(f=>{const p=current?current+"/"+f.name:f.name,canRead=(f.mask||"").includes("R"),type=fileType(f),selectedNow=selected.has(p);let thumb=iconFor(f);if(type==="image"&&canRead)thumb='<img src="/chfs/preview?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':'')+'" onclick="selectItem('+JSON.stringify(p)+',true)" ondblclick="activateItem('+JSON.stringify(p)+')" oncontextmenu="itemMenu(event,'+JSON.stringify(p)+');return false"><input class="selectbox tile-check" type="checkbox" '+(selectedNow?'checked':'')+' onclick="event.stopPropagation();selectItem('+JSON.stringify(p)+',this.checked)"><button class="iconbtn tile-action" onclick="event.stopPropagation();itemMenu(event,'+JSON.stringify(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('')||'<div class="empty">这里还没有文件</div>'}
+function renderList(items){const body=$("files");body.innerHTML=items.length?items.map(f=>{const p=current?current+"/"+f.name:f.name,canRead=(f.mask||"").includes("R"),canWrite=(f.mask||"").includes("W"),canDelete=(f.mask||"").includes("D"),selectedNow=selected.has(p);const perms='<span class="perm-dot '+(canRead?'read':'')+'"></span><span class="perm-dot '+(canWrite?'write':'')+'"></span><span class="perm-dot '+(canDelete?'delete':'')+'"></span>';return '<tr class="file-row '+(selectedNow?'selected':'')+'" onclick="selectItem('+JSON.stringify(p)+',true)" ondblclick="activateItem('+JSON.stringify(p)+')"><td><input class="selectbox" type="checkbox" '+(selectedNow?"checked":"")+' onclick="event.stopPropagation()" onchange="selectItem('+JSON.stringify(p)+',this.checked)"></td><td><div class="name"><span class="file-kind">'+iconFor(f)+'</span><span>'+esc(f.name)+'</span></div></td><td class="size-cell">'+(f.dir?"—":fmt(f.size))+'</td><td class="time-cell">'+esc(f.modified||"")+'</td><td class="perm-cell">'+perms+'</td><td><div class="actions"><button class="iconbtn" onclick="itemMenu(event,'+JSON.stringify(p)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button></div></td></tr>'}).join(""):'<tr><td colspan="6">'+emptyState("这个文件夹还是空的","可以上传文件，或者创建一个新的文件夹。","upload")+'</td></tr>'}
+function renderGrid(items){$("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);let thumb=iconFor(f);if(type==="image"&&canRead)thumb='<img src="/chfs/preview?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':'')+'" onclick="selectItem('+JSON.stringify(p)+',true)" ondblclick="activateItem('+JSON.stringify(p)+')" oncontextmenu="itemMenu(event,'+JSON.stringify(p)+');return false"><input class="selectbox tile-check" type="checkbox" '+(selectedNow?'checked':'')+' onclick="event.stopPropagation();selectItem('+JSON.stringify(p)+',this.checked)"><button class="iconbtn tile-action" onclick="event.stopPropagation();itemMenu(event,'+JSON.stringify(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 activateItem(p){const f=lastItems.find(x=>(current?current+"/":"")+x.name===p);if(!f)return;if(f.dir&&(f.mask||"").includes("R"))openDir(p);else if((f.mask||"").includes("R"))previewFile(p)}
 function toggleTile(p){selectItem(p,!selected.has(p))}
 function openSelected(){if(selected.size!==1)return;const p=[...selected][0],f=lastItems.find(x=>(current?current+"/":"")+x.name===p);if(!f)return;if(f.dir&&(f.mask||"").includes("R"))openDir(p);else if((f.mask||"").includes("R"))previewFile(p)}
@@ -103,7 +104,7 @@ function setupDropZone(){const z=$("dropZone"),main=$("fileCard");let depth=0;[d
 function uploadOne(file,row,relativePath=file.name){return new Promise(resolve=>{const xhr=new XMLHttpRequest(),fd=new FormData();const clean=String(relativePath||file.name).replace(/\\/g,'/').replace(/^\/+|\/+$/g,'');const parts=clean.split('/');const name=parts.pop()||file.name;const folder=parts.length?[current,...parts].filter(Boolean).join('/') : current;fd.append("folder",folder);fd.append("file",file,name);const meta=row.querySelector('.meta'),bar=row.querySelector('i');xhr.open('POST','/chfs/upload');xhr.upload.onprogress=e=>{if(e.lengthComputable){const pct=Math.round(e.loaded/e.total*100);bar.style.width=pct+'%';meta.textContent=fmt(file.size)+' · '+pct+'%'}};xhr.onload=()=>{if(xhr.status>=200&&xhr.status<300){bar.style.width='100%';meta.textContent=fmt(file.size)+' · 完成'}else{meta.textContent='上传失败';bar.style.width='0'}};xhr.onerror=()=>{meta.textContent='网络错误';bar.style.width='0'};xhr.onloadend=resolve;xhr.send(fd)})}
 let searchMode=false,searchItems=[];
 $("search").addEventListener("keydown",async e=>{if(e.key!=="Enter")return;const s=e.target.value.trim();if(!s){searchMode=false;searchItems=[];refresh();return}try{const d=await api("/chfs/search?str="+encodeURIComponent(s));renderSearch(d.files||[])}catch(x){fail(x.message)}})
-function renderSearch(items){searchMode=true;searchItems=items;selected.clear();$("crumb").textContent="搜索结果";$("files").parentElement.hidden=false;$("grid").hidden=true;$("bulk").classList.remove("show");const body=$("files");body.innerHTML=items.length?items.map(f=>{const p=f.path;return '<tr class="file-row" data-search-path="'+esc(p)+'" onclick="selectSearchItem('+JSON.stringify(p)+')" ondblclick="openSearchResult('+JSON.stringify(f)+')" oncontextmenu="searchMenu(event,'+JSON.stringify(f)+');return false"><td><input class="selectbox" type="checkbox" onclick="event.stopPropagation()" onchange="toggleSearchItem('+JSON.stringify(p)+',this.checked)"></td><td><div class="name"><span class="file-kind">'+iconFor(f)+'</span><span>'+esc(f.path)+'</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"><span class="meta">搜索结果</span></td><td><div class="actions"><button class="iconbtn" onclick="searchMenu(event,'+JSON.stringify(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" class="empty">没有找到匹配文件</td></tr>'}
+function renderSearch(items){searchMode=true;searchItems=items;selected.clear();$("crumb").textContent="搜索结果";$("files").parentElement.hidden=false;$("grid").hidden=true;$("bulk").classList.remove("show");const body=$("files");body.innerHTML=items.length?items.map(f=>{const p=f.path;return '<tr class="file-row" data-search-path="'+esc(p)+'" onclick="selectSearchItem('+JSON.stringify(p)+')" ondblclick="openSearchResult('+JSON.stringify(f)+')" oncontextmenu="searchMenu(event,'+JSON.stringify(f)+');return false"><td><input class="selectbox" type="checkbox" onclick="event.stopPropagation()" onchange="toggleSearchItem('+JSON.stringify(p)+',this.checked)"></td><td><div class="name"><span class="file-kind">'+iconFor(f)+'</span><span>'+esc(f.path)+'</span></div></td><td class="size-cell">'+(f.dir?"—":fmt(f.size))+'</td><td class="time-cell">'+esc(f.modified||"")+'</td><td class="perm-cell"><span class="meta">搜索结果</span></td><td><div class="actions"><button class="iconbtn" onclick="searchMenu(event,'+JSON.stringify(f)+')" title="更多操作"><svg class="ui-icon" viewBox="0 0 24 24"><circle cx="5" cy="12" r="1"/><circle cx="12" cy="12" r="1"/><circle cx="19" cy="12" r="1"/></svg></button></div></td></tr>'}).join(""):'<tr><td colspan="6">'+emptyState("没有找到匹配文件","换一个关键词试试，或者清空搜索框返回当前位置。")+'</td></tr>'}
 function selectSearchItem(p){document.querySelectorAll("#files .file-row").forEach(row=>row.classList.toggle("selected",row.dataset.searchPath===p));selected.clear();selected.add(p)}
 function toggleSearchItem(p,checked){if(checked){selected.clear();selected.add(p)}else selected.delete(p);selectSearchItem(checked?p:"")}
 function searchMenu(e,f){e.preventDefault();selectSearchItem(f.path);let html='';html+='<button onclick="downloadFile('+JSON.stringify(f.path)+');closeContext()">下载</button>';if(f.dir)html+='<button onclick="downloadDir('+JSON.stringify(f.path)+');closeContext()">下载 ZIP</button>';html+='<button onclick="openSearchResult('+JSON.stringify(f)+');closeContext()">打开</button>';$("context").innerHTML=html;$("context").style.left=Math.min(e.clientX,innerWidth-190)+'px';$("context").style.top=Math.min(e.clientY,innerHeight-160)+'px';$("context").style.display='block'}