1.5.1版本，体验性修复、打包fpk、docker镜像、windows包

desktop/main.cjs

@@ -0,0 +1,177 @@
+const { app, BrowserWindow, dialog, Menu, shell } = require('electron')
+const { spawn } = require('node:child_process')
+const fs = require('node:fs')
+const net = require('node:net')
+const path = require('node:path')
+
+let serverProcess = null
+let mainWindow = null
+let serverUrl = ''
+
+if (!app.requestSingleInstanceLock()) {
+  app.quit()
+  process.exit(0)
+}
+
+app.setAppUserModelId('com.yeomai.pichost')
+app.setName('PicHost')
+
+function runtimeRoot() {
+  return app.isPackaged
+    ? path.join(process.resourcesPath, 'runtime')
+    : path.join(__dirname, '..', 'dist-windows', 'staging', 'runtime')
+}
+
+function dataDirectory() {
+  const base = process.env.LOCALAPPDATA || app.getPath('userData')
+  return path.join(base, 'PicHost', 'data')
+}
+
+function findFreePort() {
+  return new Promise((resolve, reject) => {
+    const server = net.createServer()
+    server.once('error', reject)
+    server.listen(0, '127.0.0.1', () => {
+      const { port } = server.address()
+      server.close(error => error ? reject(error) : resolve(port))
+    })
+  })
+}
+
+function waitForHealth(url, process) {
+  return new Promise((resolve, reject) => {
+    const startedAt = Date.now()
+    const timer = setInterval(async () => {
+      if (process.exitCode !== null) {
+        clearInterval(timer)
+        reject(new Error(`PicHost 服务已退出，代码 ${process.exitCode}`))
+        return
+      }
+
+      try {
+        const response = await fetch(`${url}/api/health`, {
+          signal: AbortSignal.timeout(1000)
+        })
+        if (response.ok) {
+          clearInterval(timer)
+          resolve()
+          return
+        }
+      } catch {
+        // 忽略轮询中的瞬时错误，继续等待
+      }
+
+      if (Date.now() - startedAt > 30000) {
+        clearInterval(timer)
+        reject(new Error('PicHost 服务启动超时'))
+      }
+    }, 500)
+  })
+}
+
+function stopServer() {
+  if (!serverProcess || serverProcess.exitCode !== null) return
+
+  spawn('taskkill', ['/pid', String(serverProcess.pid), '/T', '/F'], {
+    windowsHide: true,
+    stdio: 'ignore'
+  })
+  serverProcess = null
+}
+
+async function startServer() {
+  const root = runtimeRoot()
+  const appRoot = path.join(root, 'app')
+  const nodeExe = path.join(root, 'node', 'node.exe')
+  const ffmpegDir = path.join(root, 'ffmpeg')
+  const dataDir = dataDirectory()
+  const port = await findFreePort()
+
+  fs.mkdirSync(dataDir, { recursive: true })
+  const log = fs.createWriteStream(path.join(dataDir, 'desktop-server.log'), {
+    flags: 'a'
+  })
+
+  serverUrl = `http://127.0.0.1:${port}`
+  serverProcess = spawn(nodeExe, [path.join(appRoot, '.output', 'server', 'index.mjs')], {
+    cwd: appRoot,
+    env: {
+      ...process.env,
+      DATA_DIR: dataDir,
+      NODE_ENV: 'production',
+      NITRO_PORT: String(port),
+      PORT: String(port),
+      NITRO_HOST: '127.0.0.1',
+      HOST: '127.0.0.1',
+      PATH: `${ffmpegDir};${process.env.PATH || ''}`,
+      PIC_HOST_DESKTOP: '1'
+    },
+    windowsHide: true,
+    stdio: ['ignore', 'pipe', 'pipe']
+  })
+
+  serverProcess.stdout.pipe(log, { end: false })
+  serverProcess.stderr.pipe(log, { end: false })
+  serverProcess.once('close', () => log.end())
+
+  await waitForHealth(serverUrl, serverProcess)
+}
+
+function createWindow() {
+  mainWindow = new BrowserWindow({
+    width: 1440,
+    height: 920,
+    minWidth: 980,
+    minHeight: 680,
+    show: false,
+    autoHideMenuBar: true,
+    backgroundColor: '#111827',
+    webPreferences: {
+      nodeIntegration: false,
+      contextIsolation: true,
+      sandbox: true
+    }
+  })
+
+  mainWindow.once('ready-to-show', () => mainWindow.show())
+  mainWindow.on('closed', () => {
+    mainWindow = null
+    app.quit()
+  })
+
+  mainWindow.webContents.setWindowOpenHandler(({ url }) => {
+    if (url.startsWith(serverUrl)) return { action: 'allow' }
+    shell.openExternal(url)
+    return { action: 'deny' }
+  })
+
+  mainWindow.webContents.on('will-navigate', (event, url) => {
+    if (!url.startsWith(serverUrl)) {
+      event.preventDefault()
+      shell.openExternal(url)
+    }
+  })
+
+  mainWindow.loadURL(serverUrl)
+}
+
+app.on('second-instance', () => {
+  if (!mainWindow) return
+  if (mainWindow.isMinimized()) mainWindow.restore()
+  mainWindow.focus()
+})
+
+app.on('before-quit', stopServer)
+app.on('window-all-closed', () => app.quit())
+
+app.whenReady().then(async () => {
+  Menu.setApplicationMenu(null)
+  try {
+    await startServer()
+    createWindow()
+  } catch (error) {
+    dialog.showErrorBox('PicHost 启动失败', String(error?.message || error))
+    stopServer()
+    app.quit()
+  }
+})