latest changes

backend/src/index.ts

@@ -9,6 +9,7 @@ import { connectionRoutes } from './routes/connections';
 import { profileRoutes } from './routes/profiles';
 import { sshWebsocket } from './websocket/ssh';
 import { rdpWebsocket } from './websocket/rdp';
+import { sftpWebsocket } from './websocket/sftp';
 import { encrypt } from './utils/encryption';
 
 declare module 'fastify' {
@@ -48,6 +49,7 @@ async function buildApp(): Promise<FastifyInstance> {
   // WebSocket routes
   await fastify.register(sshWebsocket);
   await fastify.register(rdpWebsocket);
+  await fastify.register(sftpWebsocket);
 
   return fastify;
 }

backend/src/websocket/sftp.ts

@@ -0,0 +1,283 @@
+import { FastifyInstance, FastifyRequest } from 'fastify';
+import { SocketStream } from '@fastify/websocket';
+import { WebSocket } from 'ws';
+import { Client as SshClient, ConnectConfig, SFTPWrapper } from 'ssh2';
+import { resolveCredentials } from '../utils/resolveCredentials';
+
+interface JwtPayload {
+  id: string;
+  username: string;
+}
+
+function sendJson(socket: WebSocket, msg: object) {
+  if (socket.readyState === WebSocket.OPEN) {
+    socket.send(JSON.stringify(msg));
+  }
+}
+
+export async function sftpWebsocket(fastify: FastifyInstance) {
+  fastify.get(
+    '/ws/sftp/:connectionId',
+    { websocket: true },
+    async (connection: SocketStream, request: FastifyRequest) => {
+      const socket = connection.socket;
+
+      // --- Auth via ?token= query param ---
+      const query = request.query as { token?: string };
+      let userId: string;
+
+      try {
+        if (!query.token) throw new Error('No token');
+        const payload = fastify.jwt.verify<JwtPayload>(query.token);
+        userId = payload.id;
+      } catch {
+        socket.close(1008, 'Unauthorized');
+        return;
+      }
+
+      // --- Fetch connection ---
+      const { connectionId } = request.params as { connectionId: string };
+      const conn = await fastify.prisma.connection.findFirst({
+        where: { id: connectionId, userId },
+        include: { profile: true },
+      });
+
+      if (!conn) {
+        socket.close(1008, 'Connection not found');
+        return;
+      }
+
+      // --- Build SSH config ---
+      const creds = resolveCredentials(conn);
+      const sshConfig: ConnectConfig = {
+        host: conn.host,
+        port: conn.port,
+        username: creds.username,
+        readyTimeout: 10_000,
+      };
+
+      if (creds.privateKey) {
+        sshConfig.privateKey = creds.privateKey;
+      } else if (creds.password) {
+        sshConfig.password = creds.password;
+      }
+
+      // --- Open SSH + SFTP session ---
+      const ssh = new SshClient();
+      let sftp: SFTPWrapper | null = null;
+
+      // Upload state
+      let uploadPath: string | null = null;
+      let uploadStream: ReturnType<SFTPWrapper['createWriteStream']> | null = null;
+
+      ssh.on('ready', () => {
+        ssh.sftp((err, sftpSession) => {
+          if (err) {
+            sendJson(socket, { type: 'error', message: err.message });
+            socket.close();
+            ssh.end();
+            return;
+          }
+
+          sftp = sftpSession;
+
+          // Resolve home directory and send ready
+          sftp.realpath('.', (rpErr, home) => {
+            sendJson(socket, {
+              type: 'ready',
+              home: rpErr ? '/' : home,
+            });
+          });
+        });
+      });
+
+      // --- Handle incoming messages ---
+      socket.on('message', (message: Buffer | string, isBinary: boolean) => {
+        if (!sftp) return;
+
+        // Binary frames → upload data
+        if (isBinary) {
+          if (uploadStream) {
+            const buf = Buffer.isBuffer(message) ? message : Buffer.from(message as string);
+            uploadStream.write(buf);
+          }
+          return;
+        }
+
+        // JSON commands
+        let msg: any;
+        try {
+          msg = JSON.parse(message.toString());
+        } catch {
+          sendJson(socket, { type: 'error', message: 'Invalid JSON' });
+          return;
+        }
+
+        switch (msg.type) {
+          case 'list': {
+            const dirPath: string = msg.path || '/';
+            sftp.readdir(dirPath, (err, list) => {
+              if (err) {
+                sendJson(socket, { type: 'error', message: err.message });
+                return;
+              }
+              const entries = list
+                .filter((item) => item.filename !== '.' && item.filename !== '..')
+                .map((item) => ({
+                  name: item.filename,
+                  isDir: (item.attrs.mode! & 0o40000) !== 0,
+                  size: item.attrs.size ?? 0,
+                  modTime: (item.attrs.mtime ?? 0) * 1000,
+                }))
+                .sort((a, b) => {
+                  // Directories first, then alphabetical
+                  if (a.isDir !== b.isDir) return a.isDir ? -1 : 1;
+                  return a.name.localeCompare(b.name);
+                });
+              sendJson(socket, { type: 'entries', path: dirPath, entries });
+            });
+            break;
+          }
+
+          case 'download': {
+            const filePath: string = msg.path;
+            if (!filePath) {
+              sendJson(socket, { type: 'error', message: 'Missing path' });
+              return;
+            }
+            sftp.stat(filePath, (err, stats) => {
+              if (err) {
+                sendJson(socket, { type: 'error', message: err.message });
+                return;
+              }
+              const name = filePath.split('/').pop() || 'download';
+              sendJson(socket, { type: 'downloadStart', name, size: stats.size });
+
+              const rs = sftp!.createReadStream(filePath);
+              rs.on('data', (chunk: Buffer) => {
+                if (socket.readyState === WebSocket.OPEN) {
+                  socket.send(chunk);
+                }
+              });
+              rs.on('end', () => {
+                sendJson(socket, { type: 'downloadEnd' });
+              });
+              rs.on('error', (readErr: Error) => {
+                sendJson(socket, { type: 'error', message: readErr.message });
+              });
+            });
+            break;
+          }
+
+          case 'upload': {
+            const upPath: string = msg.path;
+            if (!upPath) {
+              sendJson(socket, { type: 'error', message: 'Missing path' });
+              return;
+            }
+            uploadPath = upPath;
+            uploadStream = sftp.createWriteStream(upPath);
+            uploadStream.on('error', (writeErr: Error) => {
+              sendJson(socket, { type: 'error', message: writeErr.message });
+              uploadStream = null;
+              uploadPath = null;
+            });
+            break;
+          }
+
+          case 'uploadEnd': {
+            if (uploadStream) {
+              uploadStream.end(() => {
+                sendJson(socket, { type: 'ok' });
+                uploadStream = null;
+                uploadPath = null;
+              });
+            }
+            break;
+          }
+
+          case 'mkdir': {
+            const mkPath: string = msg.path;
+            if (!mkPath) {
+              sendJson(socket, { type: 'error', message: 'Missing path' });
+              return;
+            }
+            sftp.mkdir(mkPath, (err) => {
+              if (err) {
+                sendJson(socket, { type: 'error', message: err.message });
+              } else {
+                sendJson(socket, { type: 'ok' });
+              }
+            });
+            break;
+          }
+
+          case 'delete': {
+            const delPath: string = msg.path;
+            if (!delPath) {
+              sendJson(socket, { type: 'error', message: 'Missing path' });
+              return;
+            }
+            sftp.stat(delPath, (statErr, stats) => {
+              if (statErr) {
+                sendJson(socket, { type: 'error', message: statErr.message });
+                return;
+              }
+              const isDir = (stats.mode! & 0o40000) !== 0;
+              const cb = (err: Error | null | undefined) => {
+                if (err) {
+                  sendJson(socket, { type: 'error', message: err.message });
+                } else {
+                  sendJson(socket, { type: 'ok' });
+                }
+              };
+              if (isDir) {
+                sftp!.rmdir(delPath, cb);
+              } else {
+                sftp!.unlink(delPath, cb);
+              }
+            });
+            break;
+          }
+
+          case 'rename': {
+            const { oldPath, newPath } = msg;
+            if (!oldPath || !newPath) {
+              sendJson(socket, { type: 'error', message: 'Missing oldPath or newPath' });
+              return;
+            }
+            sftp.rename(oldPath, newPath, (err) => {
+              if (err) {
+                sendJson(socket, { type: 'error', message: err.message });
+              } else {
+                sendJson(socket, { type: 'ok' });
+              }
+            });
+            break;
+          }
+
+          default:
+            sendJson(socket, { type: 'error', message: `Unknown command: ${msg.type}` });
+        }
+      });
+
+      ssh.on('error', (err) => {
+        fastify.log.error({ err }, 'SFTP SSH connection error');
+        sendJson(socket, { type: 'error', message: err.message });
+        if (socket.readyState === WebSocket.OPEN) {
+          socket.close(1011, err.message);
+        }
+      });
+
+      ssh.connect(sshConfig);
+
+      socket.on('close', () => {
+        if (uploadStream) {
+          uploadStream.destroy();
+          uploadStream = null;
+        }
+        ssh.end();
+      });
+    }
+  );
+}

frontend/src/components/Sidebar/ConnectionTree.tsx

@@ -223,12 +223,23 @@ export const ConnectionTree: React.FC = () => {
   // --- Context menu items ---
   const getContextMenu = (node: ExtendedDataNode): MenuProps['items'] => {
     if (node.itemData.type === 'connection') {
+      const conn = node.itemData.connection!;
       return [
         {
           key: 'connect',
           label: 'Connect',
-          onClick: () => openSession(node.itemData.connection!),
+          onClick: () => openSession(conn),
         },
+        ...(conn.protocol === 'ssh'
+          ? [
+              {
+                key: 'browseFiles',
+                icon: <FolderOpenOutlined />,
+                label: 'Browse Files',
+                onClick: () => openSession(conn, 'sftp'),
+              },
+            ]
+          : []),
         {
           key: 'edit',
           icon: <EditOutlined />,

frontend/src/components/Tabs/SessionTabs.tsx

@@ -1,14 +1,17 @@
 import React from 'react';
 import { Tabs, Typography } from 'antd';
-import { CodeOutlined, WindowsOutlined } from '@ant-design/icons';
+import { CodeOutlined, WindowsOutlined, FolderOutlined } from '@ant-design/icons';
 import { useStore } from '../../store';
 import { SshTab } from './SshTab';
 import { RdpTab } from './RdpTab';
+import { SftpTab } from './SftpTab';
 import { Session } from '../../types';
 
 function tabLabel(session: Session) {
-  const icon =
+  const isSftp = session.mode === 'sftp';
-    session.connection.protocol === 'rdp' ? (
+  const icon = isSftp ? (
+    <FolderOutlined />
+  ) : session.connection.protocol === 'rdp' ? (
     <WindowsOutlined />
   ) : (
     <CodeOutlined />
@@ -16,7 +19,7 @@ function tabLabel(session: Session) {
   return (
     <span style={{ display: 'inline-flex', alignItems: 'center', gap: 6 }}>
       {icon}
-      {session.connection.name}
+      {session.connection.name}{isSftp ? ' (Files)' : ''}
     </span>
   );
 }
@@ -68,7 +71,9 @@ export const SessionTabs: React.FC = () => {
         style: { height: '100%', padding: 0 },
         children: (
           <div style={{ height: '100%', overflow: 'hidden' }}>
-            {session.connection.protocol === 'ssh' ? (
+            {session.mode === 'sftp' ? (
+              <SftpTab session={session} />
+            ) : session.connection.protocol === 'ssh' ? (
               <SshTab session={session} />
             ) : (
               <RdpTab session={session} />

frontend/src/components/Tabs/SftpTab.tsx

@@ -0,0 +1,457 @@
+import React, { useEffect, useRef, useState, useCallback } from 'react';
+import { Table, Breadcrumb, Button, Space, Upload, Input, Modal, message, Tooltip, Typography } from 'antd';
+import {
+  FolderOutlined,
+  FileOutlined,
+  DownloadOutlined,
+  DeleteOutlined,
+  EditOutlined,
+  FolderAddOutlined,
+  UploadOutlined,
+  ReloadOutlined,
+  HomeOutlined,
+} from '@ant-design/icons';
+import type { ColumnsType } from 'antd/es/table';
+import { useStore } from '../../store';
+import { Session } from '../../types';
+
+interface Props {
+  session: Session;
+}
+
+interface FileEntry {
+  name: string;
+  isDir: boolean;
+  size: number;
+  modTime: number;
+}
+
+function humanSize(bytes: number): string {
+  if (bytes === 0) return '—';
+  const units = ['B', 'KB', 'MB', 'GB', 'TB'];
+  const i = Math.min(Math.floor(Math.log(bytes) / Math.log(1024)), units.length - 1);
+  const val = bytes / Math.pow(1024, i);
+  return `${val < 10 ? val.toFixed(1) : Math.round(val)} ${units[i]}`;
+}
+
+function formatDate(ms: number): string {
+  if (!ms) return '—';
+  return new Date(ms).toLocaleString();
+}
+
+function getWsUrl(connectionId: string, token: string): string {
+  const proto = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
+  const host = window.location.host;
+  return `${proto}//${host}/ws/sftp/${connectionId}?token=${encodeURIComponent(token)}`;
+}
+
+function joinPath(base: string, name: string): string {
+  if (base === '/') return '/' + name;
+  return base + '/' + name;
+}
+
+function parentPath(path: string): string {
+  if (path === '/') return '/';
+  const parts = path.split('/').filter(Boolean);
+  parts.pop();
+  return '/' + parts.join('/');
+}
+
+function pathSegments(path: string): { name: string; path: string }[] {
+  const parts = path.split('/').filter(Boolean);
+  const segments: { name: string; path: string }[] = [];
+  for (let i = 0; i < parts.length; i++) {
+    segments.push({
+      name: parts[i],
+      path: '/' + parts.slice(0, i + 1).join('/'),
+    });
+  }
+  return segments;
+}
+
+export const SftpTab: React.FC<Props> = ({ session }) => {
+  const token = useStore((s) => s.token) ?? '';
+  const wsRef = useRef<WebSocket | null>(null);
+  const [connected, setConnected] = useState(false);
+  const [currentPath, setCurrentPath] = useState('/');
+  const [entries, setEntries] = useState<FileEntry[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [homePath, setHomePath] = useState('/');
+
+  // Download state
+  const downloadRef = useRef<{ name: string; size: number; chunks: ArrayBuffer[] } | null>(null);
+
+  // Upload state
+  const uploadingRef = useRef(false);
+
+  // New folder state
+  const [mkdirModalOpen, setMkdirModalOpen] = useState(false);
+  const [newFolderName, setNewFolderName] = useState('');
+
+  // Rename state
+  const [renameModalOpen, setRenameModalOpen] = useState(false);
+  const [renameEntry, setRenameEntry] = useState<FileEntry | null>(null);
+  const [renameName, setRenameName] = useState('');
+
+  const sendJson = useCallback((msg: object) => {
+    const ws = wsRef.current;
+    if (ws && ws.readyState === WebSocket.OPEN) {
+      ws.send(JSON.stringify(msg));
+    }
+  }, []);
+
+  const listDir = useCallback(
+    (path: string) => {
+      setLoading(true);
+      sendJson({ type: 'list', path });
+    },
+    [sendJson]
+  );
+
+  const navigateTo = useCallback(
+    (path: string) => {
+      setCurrentPath(path);
+      listDir(path);
+    },
+    [listDir]
+  );
+
+  // WebSocket lifecycle
+  useEffect(() => {
+    const url = getWsUrl(session.connection.id, token);
+    const ws = new WebSocket(url);
+    ws.binaryType = 'arraybuffer';
+    wsRef.current = ws;
+
+    ws.onmessage = (event) => {
+      // Binary frame → download chunk
+      if (event.data instanceof ArrayBuffer) {
+        if (downloadRef.current) {
+          downloadRef.current.chunks.push(event.data as ArrayBuffer);
+        }
+        return;
+      }
+
+      let msg: any;
+      try {
+        msg = JSON.parse(event.data);
+      } catch {
+        return;
+      }
+
+      switch (msg.type) {
+        case 'ready':
+          setConnected(true);
+          setHomePath(msg.home || '/');
+          setCurrentPath(msg.home || '/');
+          setLoading(true);
+          ws.send(JSON.stringify({ type: 'list', path: msg.home || '/' }));
+          break;
+
+        case 'entries': {
+          const serverEntries: FileEntry[] = msg.entries || [];
+          if (msg.path !== '/') {
+            serverEntries.unshift({ name: '..', isDir: true, size: 0, modTime: 0 });
+          }
+          setEntries(serverEntries);
+          setCurrentPath(msg.path);
+          setLoading(false);
+          break;
+        }
+
+        case 'downloadStart':
+          downloadRef.current = { name: msg.name, size: msg.size, chunks: [] };
+          break;
+
+        case 'downloadEnd': {
+          const dl = downloadRef.current;
+          if (dl) {
+            const blob = new Blob(dl.chunks);
+            const url = URL.createObjectURL(blob);
+            const a = document.createElement('a');
+            a.href = url;
+            a.download = dl.name;
+            document.body.appendChild(a);
+            a.click();
+            document.body.removeChild(a);
+            URL.revokeObjectURL(url);
+            downloadRef.current = null;
+          }
+          break;
+        }
+
+        case 'ok':
+          if (uploadingRef.current) {
+            uploadingRef.current = false;
+            message.success('Upload complete');
+          }
+          // Refresh listing after any mutation
+          listDir(currentPath);
+          break;
+
+        case 'error':
+          setLoading(false);
+          uploadingRef.current = false;
+          message.error(msg.message || 'SFTP error');
+          break;
+      }
+    };
+
+    ws.onerror = () => {
+      message.error('SFTP WebSocket error');
+    };
+
+    ws.onclose = () => {
+      setConnected(false);
+    };
+
+    return () => {
+      ws.close();
+      wsRef.current = null;
+    };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [session.connection.id, token]);
+
+  // --- Handlers ---
+  const handleDownload = (entry: FileEntry) => {
+    sendJson({ type: 'download', path: joinPath(currentPath, entry.name) });
+  };
+
+  const handleDelete = (entry: FileEntry) => {
+    Modal.confirm({
+      title: `Delete "${entry.name}"?`,
+      content: entry.isDir ? 'This will delete the directory (must be empty).' : 'This file will be permanently deleted.',
+      okText: 'Delete',
+      okButtonProps: { danger: true },
+      onOk: () => {
+        sendJson({ type: 'delete', path: joinPath(currentPath, entry.name) });
+      },
+    });
+  };
+
+  const handleRename = (entry: FileEntry) => {
+    setRenameEntry(entry);
+    setRenameName(entry.name);
+    setRenameModalOpen(true);
+  };
+
+  const commitRename = () => {
+    if (renameEntry && renameName.trim() && renameName !== renameEntry.name) {
+      sendJson({
+        type: 'rename',
+        oldPath: joinPath(currentPath, renameEntry.name),
+        newPath: joinPath(currentPath, renameName.trim()),
+      });
+    }
+    setRenameModalOpen(false);
+    setRenameEntry(null);
+    setRenameName('');
+  };
+
+  const handleMkdir = () => {
+    if (newFolderName.trim()) {
+      sendJson({ type: 'mkdir', path: joinPath(currentPath, newFolderName.trim()) });
+    }
+    setMkdirModalOpen(false);
+    setNewFolderName('');
+  };
+
+  const handleUpload = (file: File) => {
+    uploadingRef.current = true;
+    const uploadPath = joinPath(currentPath, file.name);
+    sendJson({ type: 'upload', path: uploadPath, size: file.size });
+
+    const reader = new FileReader();
+    reader.onload = () => {
+      const ws = wsRef.current;
+      if (ws && ws.readyState === WebSocket.OPEN && reader.result instanceof ArrayBuffer) {
+        // Send in 64KB chunks
+        const data = new Uint8Array(reader.result);
+        const CHUNK = 64 * 1024;
+        for (let offset = 0; offset < data.length; offset += CHUNK) {
+          ws.send(data.slice(offset, offset + CHUNK));
+        }
+        sendJson({ type: 'uploadEnd' });
+      }
+    };
+    reader.readAsArrayBuffer(file);
+    return false; // Prevent Ant Upload from doing its own upload
+  };
+
+  // --- Table columns ---
+  const columns: ColumnsType<FileEntry> = [
+    {
+      title: 'Name',
+      dataIndex: 'name',
+      key: 'name',
+      render: (name: string, record) => (
+        <span
+          style={{ cursor: record.isDir ? 'pointer' : 'default', display: 'inline-flex', alignItems: 'center', gap: 6 }}
+          onClick={() => record.isDir && navigateTo(name === '..' ? parentPath(currentPath) : joinPath(currentPath, name))}
+        >
+          {record.isDir ? <FolderOutlined style={{ color: name === '..' ? undefined : '#faad14' }} /> : <FileOutlined />}
+          <span style={{ color: record.isDir ? '#1677ff' : undefined }}>{name}</span>
+        </span>
+      ),
+      sorter: (a, b) => {
+        if (a.name === '..') return -1;
+        if (b.name === '..') return 1;
+        if (a.isDir !== b.isDir) return a.isDir ? -1 : 1;
+        return a.name.localeCompare(b.name);
+      },
+      defaultSortOrder: 'ascend',
+    },
+    {
+      title: 'Size',
+      dataIndex: 'size',
+      key: 'size',
+      width: 100,
+      render: (size: number, record) => (record.isDir ? '—' : humanSize(size)),
+      sorter: (a, b) => a.size - b.size,
+    },
+    {
+      title: 'Modified',
+      dataIndex: 'modTime',
+      key: 'modTime',
+      width: 180,
+      render: (ms: number) => formatDate(ms),
+      sorter: (a, b) => a.modTime - b.modTime,
+    },
+    {
+      title: 'Actions',
+      key: 'actions',
+      width: 120,
+      render: (_, record) => record.name === '..' ? null : (
+        <Space size="small">
+          {!record.isDir && (
+            <Tooltip title="Download">
+              <Button type="text" size="small" icon={<DownloadOutlined />} onClick={() => handleDownload(record)} />
+            </Tooltip>
+          )}
+          <Tooltip title="Rename">
+            <Button type="text" size="small" icon={<EditOutlined />} onClick={() => handleRename(record)} />
+          </Tooltip>
+          <Tooltip title="Delete">
+            <Button type="text" size="small" danger icon={<DeleteOutlined />} onClick={() => handleDelete(record)} />
+          </Tooltip>
+        </Space>
+      ),
+    },
+  ];
+
+  const segments = pathSegments(currentPath);
+
+  return (
+    <div style={{ height: '100%', display: 'flex', flexDirection: 'column', background: '#fff' }}>
+      {/* Toolbar */}
+      <div
+        style={{
+          padding: '8px 12px',
+          borderBottom: '1px solid #f0f0f0',
+          display: 'flex',
+          alignItems: 'center',
+          gap: 8,
+          flexWrap: 'wrap',
+        }}
+      >
+        <Breadcrumb
+          style={{ flex: 1, minWidth: 0 }}
+          items={[
+            {
+              title: (
+                <span style={{ cursor: 'pointer' }} onClick={() => navigateTo('/')}>
+                  <HomeOutlined />
+                </span>
+              ),
+            },
+            ...segments.map((seg) => ({
+              title: (
+                <span style={{ cursor: 'pointer' }} onClick={() => navigateTo(seg.path)}>
+                  {seg.name}
+                </span>
+              ),
+            })),
+          ]}
+        />
+        <Space size="small">
+          <Upload beforeUpload={handleUpload as any} showUploadList={false} multiple={false}>
+            <Button size="small" icon={<UploadOutlined />}>
+              Upload
+            </Button>
+          </Upload>
+          <Button
+            size="small"
+            icon={<FolderAddOutlined />}
+            onClick={() => {
+              setNewFolderName('');
+              setMkdirModalOpen(true);
+            }}
+          >
+            New Folder
+          </Button>
+          <Tooltip title="Refresh">
+            <Button size="small" icon={<ReloadOutlined />} loading={loading} onClick={() => listDir(currentPath)} />
+          </Tooltip>
+        </Space>
+      </div>
+
+      {/* File table */}
+      <div style={{ flex: 1, overflow: 'auto', padding: '0 12px' }}>
+        {!connected ? (
+          <div style={{ textAlign: 'center', padding: 48 }}>
+            <Typography.Text type="secondary">Connecting to SFTP...</Typography.Text>
+          </div>
+        ) : (
+          <Table<FileEntry>
+            dataSource={entries}
+            columns={columns}
+            rowKey="name"
+            size="small"
+            loading={loading}
+            pagination={false}
+            locale={{ emptyText: 'Empty directory' }}
+            onRow={(record) => ({
+              onDoubleClick: () => {
+                if (record.isDir) navigateTo(record.name === '..' ? parentPath(currentPath) : joinPath(currentPath, record.name));
+              },
+            })}
+          />
+        )}
+      </div>
+
+      {/* New Folder Modal */}
+      <Modal
+        title="New Folder"
+        open={mkdirModalOpen}
+        onOk={handleMkdir}
+        onCancel={() => setMkdirModalOpen(false)}
+        okText="Create"
+      >
+        <Input
+          placeholder="Folder name"
+          value={newFolderName}
+          onChange={(e) => setNewFolderName(e.target.value)}
+          onPressEnter={handleMkdir}
+          autoFocus
+        />
+      </Modal>
+
+      {/* Rename Modal */}
+      <Modal
+        title={`Rename "${renameEntry?.name}"`}
+        open={renameModalOpen}
+        onOk={commitRename}
+        onCancel={() => setRenameModalOpen(false)}
+        okText="Rename"
+      >
+        <Input
+          placeholder="New name"
+          value={renameName}
+          onChange={(e) => setRenameName(e.target.value)}
+          onPressEnter={commitRename}
+          autoFocus
+        />
+      </Modal>
+    </div>
+  );
+};

frontend/src/store/index.ts

@@ -27,7 +27,7 @@ interface AppState {
   // Open sessions (tabs)
   sessions: Session[];
   activeSessionId: string | null;
-  openSession: (connection: Connection) => void;
+  openSession: (connection: Connection, mode?: 'shell' | 'sftp') => void;
   closeSession: (sessionId: string) => void;
   setActiveSession: (sessionId: string) => void;
 }
@@ -76,14 +76,17 @@ export const useStore = create<AppState>((set, get) => ({
   sessions: [],
   activeSessionId: null,
 
-  openSession: (connection) => {
+  openSession: (connection, mode) => {
-    const existing = get().sessions.find((s) => s.connection.id === connection.id);
+    const sessionMode = mode || (connection.protocol === 'rdp' ? undefined : 'shell');
+    const existing = get().sessions.find(
+      (s) => s.connection.id === connection.id && (s.mode || 'shell') === (sessionMode || 'shell')
+    );
     if (existing) {
       set({ activeSessionId: existing.id });
       return;
     }
     const id = `session-${Date.now()}-${Math.random()}`;
-    const session: Session = { id, connection };
+    const session: Session = { id, connection, mode: sessionMode };
     set((state) => ({
       sessions: [...state.sessions, session],
       activeSessionId: id,

frontend/src/types/index.ts

@@ -70,4 +70,5 @@ export interface Session {
   /** Unique ID for this open tab */
   id: string;
   connection: Connection;
+  mode?: 'shell' | 'sftp';
 }