feat: v0.3.0 版本 - SSH终端、SFTP、端口转发功能实现

核心功能:
- SSH终端: 密码/密钥认证、XTerm.js终端、多主题配色、IP高亮
- SFTP管理: 双栏文件管理、上传下载、传输队列
- 端口转发: 本地/远程转发、SOCKS5动态代理、规则管理

架构改进:
- 拆分大型组件 (SFTPView/TabBar/Sidebar)
- 添加统一日志和错误处理
- 修复React严格模式下的终端黑屏问题

UI更新:
- 新增端口转发视图
- 更新UI预览文档
- 左侧栏右键菜单支持SFTP快捷打开

electron/preload.ts

@@ -0,0 +1,101 @@
+const { contextBridge, ipcRenderer } = require('electron')
+
+// 暴露 API 到渲染进程
+const api = {
+  // SSH 相关
+  sshConnect: (config: any) => ipcRenderer.invoke('ssh:connect', config),
+  sshDisconnect: (connectionId: string) => ipcRenderer.invoke('ssh:disconnect', connectionId),
+  sshExec: (connectionId: string, command: string) => ipcRenderer.invoke('ssh:exec', connectionId, command),
+  sshCreateShell: (connectionId: string, options?: any, shellId?: string) => ipcRenderer.invoke('ssh:createShell', connectionId, options, shellId),
+  sshShellWrite: (shellId: string, data: string | Uint8Array) => ipcRenderer.invoke('ssh:shellWrite', shellId, data),
+  sshShellResize: (shellId: string, cols: number, rows: number) => ipcRenderer.invoke('ssh:shellResize', shellId, cols, rows),
+
+  // 会话管理
+  sessionGetAll: () => ipcRenderer.invoke('session:getAll'),
+  sessionGetById: (id: string) => ipcRenderer.invoke('session:getById', id),
+  sessionCreate: (session: any) => ipcRenderer.invoke('session:create', session),
+  sessionUpdate: (id: string, updates: any) => ipcRenderer.invoke('session:update', id, updates),
+  sessionDelete: (id: string) => ipcRenderer.invoke('session:delete', id),
+
+  // SFTP
+  sftpConnect: (connectionId: string) => ipcRenderer.invoke('sftp:connect', connectionId),
+  sftpListDirectory: (sftpId: string, path: string) => ipcRenderer.invoke('sftp:listDirectory', sftpId, path),
+  sftpUpload: (sftpId: string, localPath: string, remotePath: string) => ipcRenderer.invoke('sftp:upload', sftpId, localPath, remotePath),
+  sftpDownload: (sftpId: string, remotePath: string, localPath: string) => ipcRenderer.invoke('sftp:download', sftpId, remotePath, localPath),
+  sftpRename: (sftpId: string, oldPath: string, newPath: string) => ipcRenderer.invoke('sftp:rename', sftpId, oldPath, newPath),
+  sftpDelete: (sftpId: string, path: string, isDirectory: boolean) => ipcRenderer.invoke('sftp:delete', sftpId, path, isDirectory),
+  sftpMkdir: (sftpId: string, path: string) => ipcRenderer.invoke('sftp:mkdir', sftpId, path),
+
+  // 端口转发
+  sshForwardLocal: (connectionId: string, localPort: number, remoteHost: string, remotePort: number) =>
+    ipcRenderer.invoke('ssh:forwardLocal', connectionId, localPort, remoteHost, remotePort),
+  sshForwardRemote: (connectionId: string, remotePort: number, localHost: string, localPort: number) =>
+    ipcRenderer.invoke('ssh:forwardRemote', connectionId, remotePort, localHost, localPort),
+  sshForwardDynamic: (connectionId: string, localPort: number) =>
+    ipcRenderer.invoke('ssh:forwardDynamic', connectionId, localPort),
+
+  // 设置
+  settingsGet: (key: string) => ipcRenderer.invoke('settings:get', key),
+  settingsSet: (key: string, value: any) => ipcRenderer.invoke('settings:set', key, value),
+
+  // 对话框
+  showSaveDialog: (options: any) => ipcRenderer.invoke('dialog:showSaveDialog', options),
+  showOpenDialog: (options: any) => ipcRenderer.invoke('dialog:showOpenDialog', options),
+
+  // 文件操作
+  readFile: (filePath: string) => ipcRenderer.invoke('file:read', filePath),
+  writeFile: (filePath: string, data: string) => ipcRenderer.invoke('file:write', filePath, data),
+
+  // 本地文件系统
+  getHomePath: () => ipcRenderer.invoke('local:getHome'),
+  getDownloadsPath: () => ipcRenderer.invoke('app:getDownloadsPath'),
+  localReadDir: (dirPath: string) => ipcRenderer.invoke('local:readDir', dirPath),
+  localGetStats: (filePath: string) => ipcRenderer.invoke('local:getStats', filePath),
+  localDelete: (filePath: string) => ipcRenderer.invoke('local:delete', filePath),
+  localRename: (oldPath: string, newPath: string) => ipcRenderer.invoke('local:rename', oldPath, newPath),
+  localMkdir: (dirPath: string) => ipcRenderer.invoke('local:mkdir', dirPath),
+
+  // Zmodem rz/sz
+  zmodemSend: (shellId: string) => ipcRenderer.invoke('zmodem:send', shellId),
+  zmodemReceive: (shellId: string) => ipcRenderer.invoke('zmodem:receive', shellId),
+  zmodemCancel: (sessionId: string) => ipcRenderer.invoke('zmodem:cancel', sessionId),
+
+  // Zmodem events
+  onZmodemProgress: (callback: (event: any, sessionId: string, progress: any) => void) => {
+    ipcRenderer.on('zmodem:progress', callback)
+  },
+  onZmodemComplete: (callback: (event: any, sessionId: string, result: any) => void) => {
+    ipcRenderer.on('zmodem:complete', callback)
+  },
+
+  // 应用信息
+  getVersion: () => ipcRenderer.invoke('app:getVersion'),
+
+  // 事件监听
+  onMenuNewSession: (callback: () => void) => {
+    ipcRenderer.on('menu-new-session', callback)
+  },
+  onMenuQuickConnect: (callback: () => void) => {
+    ipcRenderer.on('menu-quick-connect', callback)
+  },
+  onMenuImportSessions: (callback: () => void) => {
+    ipcRenderer.on('menu-import-sessions', callback)
+  },
+  onMenuExportSessions: (callback: () => void) => {
+    ipcRenderer.on('menu-export-sessions', callback)
+  },
+  onShellData: (callback: (event: any, connectionId: string, shellId: string, data: Buffer) => void) => {
+    ipcRenderer.on('ssh:shellData', callback)
+  },
+  onSFTPProgress: (callback: (event: any, sftpId: string, progress: any) => void) => {
+    ipcRenderer.on('sftp:progress', callback)
+  },
+  removeListener: (channel: string, callback: (...args: any[]) => void) => {
+    ipcRenderer.removeListener(channel, callback)
+  },
+  removeAllListeners: (channel: string) => {
+    ipcRenderer.removeAllListeners(channel)
+  }
+}
+
+contextBridge.exposeInMainWorld('electronAPI', api)