multica/apps/desktop/src/main/index.ts

// Patch console methods to handle EPIPE errors in Electron main process
// This MUST be done before any other imports that might use console
// EPIPE happens when stdout/stderr pipes are closed unexpectedly
const originalConsoleLog = console.log.bind(console)
const originalConsoleError = console.error.bind(console)
const originalConsoleWarn = console.warn.bind(console)

const safeLog = (...args: unknown[]) => {
  try {
    originalConsoleLog(...args)
  } catch {
    // Ignore EPIPE errors silently
  }
}

const safeError = (...args: unknown[]) => {
  try {
    originalConsoleError(...args)
  } catch {
    // Ignore EPIPE errors silently
  }
}

const safeWarn = (...args: unknown[]) => {
  try {
    originalConsoleWarn(...args)
  } catch {
    // Ignore EPIPE errors silently
  }
}

// Override global console
console.log = safeLog
console.error = safeError
console.warn = safeWarn

// Also handle process stdout/stderr EPIPE errors
process.stdout?.on?.('error', (err: NodeJS.ErrnoException) => {
  if (err.code === 'EPIPE') return // Ignore
  throw err
})
process.stderr?.on?.('error', (err: NodeJS.ErrnoException) => {
  if (err.code === 'EPIPE') return // Ignore
  throw err
})

import { app, BrowserWindow, shell, ipcMain } from 'electron'
import { fileURLToPath } from 'node:url'
import path from 'node:path'
import { registerAllIpcHandlers, initializeApp, cleanupAll, setupDeviceConfirmation } from './ipc/index.js'
import { createUpdater, AutoUpdater } from './updater/index.js'

// CJS output will have __dirname natively, but TypeScript source needs this for type checking
const __dirname = path.dirname(fileURLToPath(import.meta.url))

// APP_ROOT points to apps/desktop (two levels up from out/main/)
process.env.APP_ROOT = path.join(__dirname, '../..')

// electron-vite uses ELECTRON_RENDERER_URL for dev server
export const VITE_DEV_SERVER_URL = process.env['ELECTRON_RENDERER_URL']
// electron-vite outputs to out/ directory
export const MAIN_DIST = path.join(__dirname)
export const RENDERER_DIST = path.join(__dirname, '../renderer')

process.env.VITE_PUBLIC = VITE_DEV_SERVER_URL ? path.join(process.env.APP_ROOT, 'public') : RENDERER_DIST

// CLI flags
const forceOnboarding = process.argv.includes('--force-onboarding')

let win: BrowserWindow | null
let updater: AutoUpdater

function createWindow() {
  win = new BrowserWindow({
    width: 1200,
    height: 800,
    titleBarStyle: 'hiddenInset',
    trafficLightPosition: { x: 16, y: 12 },
    webPreferences: {
      preload: path.join(__dirname, '../preload/index.cjs'),
      // Enable node integration for IPC
      contextIsolation: true,
      nodeIntegration: false,
    },
  })

  // Open external links in system browser instead of inside Electron
  win.webContents.setWindowOpenHandler(({ url }) => {
    shell.openExternal(url)
    return { action: 'deny' }
  })

  if (VITE_DEV_SERVER_URL) {
    win.loadURL(VITE_DEV_SERVER_URL)
  } else {
    win.loadFile(path.join(RENDERER_DIST, 'index.html'))
  }
}

app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit()
    win = null
  }
})

app.on('activate', () => {
  if (BrowserWindow.getAllWindows().length === 0) {
    createWindow()
  }
})

app.on('before-quit', () => {
  cleanupAll()
})

app.whenReady().then(async () => {
  // App-level IPC handlers
  ipcMain.handle('app:getFlags', () => ({ forceOnboarding }))

  // Register all IPC handlers before creating window
  registerAllIpcHandlers()

  // Initialize Hub and create default agent
  await initializeApp()

  createWindow()

  // Set up device confirmation flow (requires both Hub and window)
  if (win) {
    setupDeviceConfirmation(win)
  }

  // Initialize auto-updater
  const forceDevUpdate = process.env.FORCE_DEV_UPDATE === 'true'
  updater = createUpdater(forceDevUpdate)
  updater.setMainWindow(() => win)

  // Auto-check for updates in production (or when forced in dev)
  const isDev = !!VITE_DEV_SERVER_URL
  if (!isDev || forceDevUpdate) {
    win?.once('ready-to-show', () => {
      updater.checkForUpdates()
    })
  }

  // Update IPC handlers
  ipcMain.handle('update:check', async () => {
    await updater.checkForUpdates()
  })

  ipcMain.handle('update:download', async () => {
    await updater.downloadUpdate()
  })

  ipcMain.handle('update:install', () => {
    updater.quitAndInstall()
  })
})