Expand WebCRT SFTP into a fuller file manager.

Add mkdir/rename/delete/chmod, multi-select batch ops, cancelable transfers with retries, per-tab paths, sorting, and safer listing limits.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/i18n/en.ts

@@ -1046,14 +1046,39 @@ const en = {
       upload: "Upload",
       uploaded: "Upload complete",
       uploading: "Upload {{done}}/{{total}} · {{name}} {{pct}}",
-      downloading: "Download {{name}} {{pct}}",
+      downloading: "Download {{done}}/{{total}} · {{name}} {{pct}}",
+      downloaded: "Downloaded {{count}} file(s)",
+      downloadPartial: "Downloaded {{ok}}, failed {{failed}}",
       uploadPartial: "Uploaded {{ok}}, failed {{failed}}",
+      retrying: "Retrying {{name}} ({{attempt}}/{{max}})…",
+      cancel: "Cancel",
       dropHint: "Drop to upload into current folder",
       dropEmpty: "No uploadable files found",
+      mkdir: "New",
+      mkdirPrompt: "New folder name",
+      mkdirInvalid: "Invalid folder name (no / or ..)",
+      mkdirOk: "Folder created",
+      rename: "Rename",
+      renamePrompt: "New name",
+      renameInvalid: "Invalid name (no / or ..)",
+      renamed: "Renamed",
+      download: "Download",
+      chmod: "chmod",
+      chmodPrompt: "Mode (e.g. 755 or rwxr-xr-x)",
+      chmodOk: "Permissions updated",
+      chmodPartial: "chmod ok {{ok}}, failed {{failed}}",
+      delete: "Delete",
+      deleteConfirm: "Delete {{name}}?",
+      deleteRecursiveConfirm: "{{name}} includes folders; non-empty folders will be removed recursively. Continue?",
+      deletePartial: "Deleted {{ok}}, failed {{failed}}",
+      deleted: "Deleted",
+      selectedCount: "{{count}} selected",
+      empty: "This folder is empty",
+      listTruncated: "Folder is large; showing first {{count}} entries (limit {{max}})",
       dir: "dir",
       loading: "Loading…",
-      enterHint: "Double-click to open folder",
-      downloadHint: "Click to download",
+      enterHint: "Click to select; Ctrl/Shift multi-select; double-click to open",
+      downloadHint: "Click to select; Ctrl/Shift multi-select; double-click to download",
       colName: "Name",
       colSize: "Size",
       colMtime: "Modified",
@@ -1091,6 +1116,8 @@ const en = {
       sftpNeedPassword: "SFTP needs a saved SSH password (one-shot dialog passwords are not reused for files)",
       sftpUnsupported: "This SSH session has no SFTP channel (device may not offer it)",
       sftpTooLarge: "File exceeds size limit (default 512MB)",
+      sftpChmodInvalid: "Invalid mode (use 755 or rwxr-xr-x)",
+      sftpAborted: "Transfer cancelled",
       queueDropped: "Terminal output too fast; about {{count}} chunk(s) dropped — transcript may be incomplete",
       websocket: "WebSocket connection failed",
     },

web/src/i18n/zh.ts

@@ -1043,14 +1043,39 @@ const zh = {
       upload: "上传",
       uploaded: "上传成功",
       uploading: "上传 {{done}}/{{total}} · {{name}} {{pct}}",
-      downloading: "下载 {{name}} {{pct}}",
+      downloading: "下载 {{done}}/{{total}} · {{name}} {{pct}}",
+      downloaded: "已下载 {{count}} 个文件",
+      downloadPartial: "下载完成 {{ok}} 个，失败 {{failed}} 个",
       uploadPartial: "上传完成 {{ok}} 个，失败 {{failed}} 个",
+      retrying: "重试 {{name}}（{{attempt}}/{{max}}）…",
+      cancel: "取消",
       dropHint: "松开以上传到当前目录",
       dropEmpty: "未识别到可上传的文件",
+      mkdir: "新建",
+      mkdirPrompt: "新建目录名称",
+      mkdirInvalid: "目录名无效（不要包含 / 或 ..）",
+      mkdirOk: "目录已创建",
+      rename: "重命名",
+      renamePrompt: "新名称",
+      renameInvalid: "名称无效（不要包含 / 或 ..）",
+      renamed: "已重命名",
+      download: "下载",
+      chmod: "权限",
+      chmodPrompt: "权限模式（如 755 或 rwxr-xr-x）",
+      chmodOk: "权限已更新",
+      chmodPartial: "权限更新 {{ok}} 个，失败 {{failed}} 个",
+      delete: "删除",
+      deleteConfirm: "确定删除 {{name}}？",
+      deleteRecursiveConfirm: "{{name}} 含目录，非空目录将递归删除，是否继续？",
+      deletePartial: "删除完成 {{ok}} 个，失败 {{failed}} 个",
+      deleted: "已删除",
+      selectedCount: "已选 {{count}} 项",
+      empty: "当前目录为空",
+      listTruncated: "目录条目过多，仅显示前 {{count}} 项（上限 {{max}}）",
       dir: "目录",
       loading: "正在加载…",
-      enterHint: "双击进入目录",
-      downloadHint: "单击下载文件",
+      enterHint: "单击选中；Ctrl/Shift 多选；双击进入",
+      downloadHint: "单击选中；Ctrl/Shift 多选；双击下载",
       colName: "名称",
       colSize: "大小",
       colMtime: "修改时间",
@@ -1088,6 +1113,8 @@ const zh = {
       sftpNeedPassword: "SFTP 需要已保存的 SSH 密码（会话弹窗密码不会用于文件传输）",
       sftpUnsupported: "当前 SSH 会话未提供 SFTP（设备可能未开启）",
       sftpTooLarge: "文件超过大小限制（默认 512MB）",
+      sftpChmodInvalid: "权限模式无效（请用 755 或 rwxr-xr-x）",
+      sftpAborted: "传输已取消",
       queueDropped: "终端输出过快，已丢弃约 {{count}} 段，内容可能不完整",
       websocket: "WebSocket 连接失败",
     },