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/ipc/zmodem.ipc.ts

@@ -0,0 +1,141 @@
+/**
+ * Zmodem IPC Handlers
+ * 处理 rz/sz 文件传输
+ */
+
+import { ipcMain, IpcMainInvokeEvent, app, dialog } from 'electron'
+import fs from 'fs'
+import path from 'path'
+import type { SSHService } from '../services/ssh-service'
+import type { ZmodemService } from '../services/zmodem-service'
+import { createLogger } from '../utils/logger'
+
+const logger = createLogger('Zmodem_IPC')
+
+// IPC channel names
+export const ZMODEM_CHANNELS = {
+  SEND: 'zmodem:send',
+  RECEIVE: 'zmodem:receive',
+  CANCEL: 'zmodem:cancel',
+  PROGRESS: 'zmodem:progress',
+  COMPLETE: 'zmodem:complete',
+} as const
+
+export interface ZmodemIPCOptions {
+  sshService: SSHService
+  zmodemService: ZmodemService
+  mainWindowGetter: () => Electron.BrowserWindow | null
+}
+
+export function registerZmodemIPCHandlers(options: ZmodemIPCOptions): void {
+  const { sshService, zmodemService, mainWindowGetter } = options
+
+  // Zmodem send (rz) - send file to server
+  ipcMain.handle(ZMODEM_CHANNELS.SEND, async (_event: IpcMainInvokeEvent, shellId: string) => {
+    try {
+      const mainWindow = mainWindowGetter()
+      if (!mainWindow) {
+        return { success: false, error: 'Window not available' }
+      }
+
+      // Open file dialog to select file
+      const result = await dialog.showOpenDialog(mainWindow, {
+        title: '选择要发送的文件',
+        properties: ['openFile'],
+      })
+
+      if (result.canceled || !result.filePaths.length) {
+        return { success: false, canceled: true }
+      }
+
+      const filePath = result.filePaths[0]
+      const fileName = path.basename(filePath)
+
+      // Read file
+      const fileData = fs.readFileSync(filePath)
+
+      // Get shell write function
+      const shell = sshService.getShell(shellId)
+      if (!shell) {
+        return { success: false, error: 'Shell not found' }
+      }
+
+      // Send file via Zmodem protocol
+      const sessionId = zmodemService.sendFile(
+        shellId,
+        fileName,
+        fileData,
+        (data) => {
+          shell.channel.write(data)
+        },
+        (progress) => {
+          mainWindow.webContents.send(ZMODEM_CHANNELS.PROGRESS, sessionId, progress)
+        },
+        (success, error) => {
+          mainWindow.webContents.send(ZMODEM_CHANNELS.COMPLETE, sessionId, { success, error })
+        }
+      )
+
+      return { success: true, sessionId, fileName }
+    } catch (error: any) {
+      logger.error('Zmodem send error:', error)
+      return { success: false, error: error.message }
+    }
+  })
+
+  // Zmodem receive (sz) - receive file from server
+  ipcMain.handle(ZMODEM_CHANNELS.RECEIVE, async (_event: IpcMainInvokeEvent, shellId: string) => {
+    try {
+      const mainWindow = mainWindowGetter()
+      if (!mainWindow) {
+        return { success: false, error: 'Window not available' }
+      }
+
+      // Get shell to monitor for incoming data
+      const shell = sshService.getShell(shellId)
+      if (!shell) {
+        return { success: false, error: 'Shell not found' }
+      }
+
+      // Open save dialog to select destination
+      const result = await dialog.showSaveDialog(mainWindow, {
+        title: '保存文件',
+        defaultPath: app.getPath('downloads'),
+      })
+
+      if (result.canceled || !result.filePath) {
+        return { success: false, canceled: true }
+      }
+
+      // Start Zmodem receive session
+      const sessionId = zmodemService.receiveFile(
+        shellId,
+        result.filePath,
+        (data) => {
+          shell.channel.write(data)
+        },
+        (progress) => {
+          mainWindow.webContents.send(ZMODEM_CHANNELS.PROGRESS, sessionId, progress)
+        },
+        (success, error) => {
+          mainWindow.webContents.send(ZMODEM_CHANNELS.COMPLETE, sessionId, { success, error })
+        }
+      )
+
+      return { success: true, sessionId }
+    } catch (error: any) {
+      logger.error('Zmodem receive error:', error)
+      return { success: false, error: error.message }
+    }
+  })
+
+  // Zmodem cancel transfer
+  ipcMain.handle(ZMODEM_CHANNELS.CANCEL, async (_event: IpcMainInvokeEvent, sessionId: string) => {
+    try {
+      zmodemService.cancelSession(sessionId)
+      return { success: true }
+    } catch (error: any) {
+      return { success: false, error: error.message }
+    }
+  })
+}