feat: 初始版本，支持配置和连接多个 MQTT 服务器，支持配置订阅的主题列表，支持消息历史记录

app/src/main/index.js

@@ -1,13 +1,16 @@
-import { app, shell, BrowserWindow, ipcMain } from 'electron'
+import { app, shell, BrowserWindow } from 'electron'
 import { join } from 'path'
 import { electronApp, optimizer, is } from '@electron-toolkit/utils'
 import icon from '../../resources/icon.png?asset'
+import { registerIpcHandlers } from './ipc-handlers.js'
 
 function createWindow() {
   // Create the browser window.
   const mainWindow = new BrowserWindow({
-    width: 900,
-    height: 670,
+    width: 1200,
+    height: 800,
+    minWidth: 900,
+    minHeight: 600,
     show: false,
     autoHideMenuBar: true,
     ...(process.platform === 'linux' ? { icon } : {}),
@@ -49,8 +52,8 @@ app.whenReady().then(() => {
     optimizer.watchWindowShortcuts(window)
   })
 
-  // IPC test
-  ipcMain.on('ping', () => console.log('pong'))
+  // 注册 IPC 处理器
+  registerIpcHandlers()
 
   createWindow()