const { contextBridge, ipcRenderer } = require('electron'); contextBridge.exposeInMainWorld('electronAPI', { send: (channel, data) => ipcRenderer.send(channel, data), on: (channel, func) => ipcRenderer.on(channel, (event, ...args) => func(...args)), quitApp: () => ipcRenderer.send('quit-app'), showSaveDialog: (options) => ipcRenderer.invoke('show-save-dialog', options), writeFile: (path, data) => ipcRenderer.invoke('write-file', { path, data }), onThemeChange: (callback) => ipcRenderer.on('theme-update', (event, theme) => callback(theme)) });