初始化 SSH 面板：Electron + React + electron-vite

- 登录页：服务器地址/端口/用户名/密码表单，ssh2 建立真实 SSH 连接
- 面板页：深蓝色顶栏菜单（概览/容器/终端占位），显示当前连接
- 凭据保存：密码经系统安全存储（DPAPI）加密后保存在本机，支持一键填充/删除
- 隐藏 Electron 默认菜单，开发模式 F12 开关开发者工具

Co-Authored-By: Claude <noreply@anthropic.com>

src/main/index.js

@@ -0,0 +1,169 @@
+import { app, BrowserWindow, Menu, ipcMain, safeStorage } from 'electron'
+import path from 'path'
+import fs from 'fs'
+import { Client } from 'ssh2'
+
+// 隐藏 Electron 默认菜单（File / Edit 等）
+Menu.setApplicationMenu(null)
+
+let mainWindow = null
+let activeConnection = null // 当前活动的 SSH 连接
+let activeSession = null // { host, username }，登录成功后记录
+
+// ---------- 凭据存储 ----------
+const credFile = () => path.join(app.getPath('userData'), 'credentials.json')
+
+function readCredentials() {
+  try {
+    return JSON.parse(fs.readFileSync(credFile(), 'utf8'))
+  } catch {
+    return []
+  }
+}
+
+function writeCredentials(list) {
+  fs.mkdirSync(path.dirname(credFile()), { recursive: true })
+  fs.writeFileSync(credFile(), JSON.stringify(list, null, 2), 'utf8')
+}
+
+// 密码优先用系统安全存储加密（Windows DPAPI），不可用时降级为 base64
+function encryptPassword(password) {
+  if (safeStorage.isEncryptionAvailable()) {
+    return { data: safeStorage.encryptString(password).toString('base64'), encrypted: true }
+  }
+  return { data: Buffer.from(password, 'utf8').toString('base64'), encrypted: false }
+}
+
+function decryptPassword(entry) {
+  if (entry.encrypted) {
+    return safeStorage.decryptString(Buffer.from(entry.data, 'base64'))
+  }
+  return Buffer.from(entry.data, 'base64').toString('utf8')
+}
+
+// ---------- 窗口 ----------
+function createWindow() {
+  mainWindow = new BrowserWindow({
+    width: 1280,
+    height: 800,
+    backgroundColor: '#d2f8fc',
+    webPreferences: {
+      preload: path.join(__dirname, '../preload/index.js'),
+      sandbox: false,
+      contextIsolation: true,
+      nodeIntegration: false,
+    },
+  })
+
+  if (process.env['ELECTRON_RENDERER_URL']) {
+    // 开发模式：加载 Vite 开发服务器（支持热更新）
+    mainWindow.loadURL(process.env['ELECTRON_RENDERER_URL'])
+    // 菜单已隐藏，用 F12 开关开发者工具
+    mainWindow.webContents.on('before-input-event', (event, input) => {
+      if (input.key === 'F12') mainWindow.webContents.toggleDevTools()
+    })
+  } else {
+    mainWindow.loadFile(path.join(__dirname, '../renderer/index.html'))
+  }
+
+  mainWindow.on('closed', () => {
+    mainWindow = null
+    if (activeConnection) {
+      activeConnection.end()
+      activeConnection = null
+    }
+  })
+}
+
+// ---------- IPC：SSH 连接 ----------
+ipcMain.handle('ssh:connect', (event, { host, port, username, password }) => {
+  return new Promise((resolve) => {
+    // 已有连接时先断开旧连接
+    if (activeConnection) {
+      activeConnection.end()
+      activeConnection = null
+    }
+
+    const client = new Client()
+
+    client.on('ready', () => {
+      activeConnection = client
+      activeSession = { host, username }
+      resolve({ ok: true })
+    })
+
+    client.on('error', (err) => {
+      resolve({ ok: false, message: err.message })
+    })
+
+    client.on('close', () => {
+      if (activeConnection === client) activeConnection = null
+    })
+
+    client.connect({
+      host,
+      port: Number(port),
+      username,
+      password,
+      readyTimeout: 10000,
+    })
+  })
+})
+
+ipcMain.handle('ssh:disconnect', () => {
+  if (activeConnection) {
+    activeConnection.end()
+    activeConnection = null
+  }
+  activeSession = null
+  return { ok: true }
+})
+
+ipcMain.handle('ssh:session', () => activeSession)
+
+// ---------- IPC：凭据 ----------
+ipcMain.handle('cred:save', (event, { host, port, username, password }) => {
+  const list = readCredentials()
+  const entry = { host, port: Number(port), username, password: encryptPassword(password) }
+  // 同一 host + username 覆盖旧记录
+  const idx = list.findIndex((c) => c.host === host && c.username === username)
+  if (idx >= 0) list[idx] = entry
+  else list.push(entry)
+  writeCredentials(list)
+  return { ok: true }
+})
+
+ipcMain.handle('cred:list', () => {
+  return readCredentials()
+    .map((c) => {
+      try {
+        return {
+          host: c.host,
+          port: c.port,
+          username: c.username,
+          password: decryptPassword(c.password),
+        }
+      } catch {
+        return null // 本机无法解密（比如从别的机器拷贝来的），跳过
+      }
+    })
+    .filter(Boolean)
+})
+
+ipcMain.handle('cred:delete', (event, { host, username }) => {
+  writeCredentials(readCredentials().filter((c) => !(c.host === host && c.username === username)))
+  return { ok: true }
+})
+
+// ---------- 应用生命周期 ----------
+app.whenReady().then(() => {
+  createWindow()
+
+  app.on('activate', () => {
+    if (BrowserWindow.getAllWindows().length === 0) createWindow()
+  })
+})
+
+app.on('window-all-closed', () => {
+  if (process.platform !== 'darwin') app.quit()
+})