feat(w5): ship v2.0.0 platform sync, undo persistence, and updates

Co-authored-by: Cursor <cursoragent@cursor.com>

src/main/services/update.service.ts

@@ -0,0 +1,98 @@
+import { app, BrowserWindow } from 'electron'
+import electronUpdater from 'electron-updater'
+import { IPC } from '../../shared/ipc-channels'
+
+const { autoUpdater } = electronUpdater
+
+export interface UpdateInfoPayload {
+  version: string
+  releaseNotes?: string
+}
+
+export interface UpdateProgressPayload {
+  percent: number
+  transferred: number
+  total: number
+}
+
+export class UpdateService {
+  private disabled: boolean
+  private mockVersion: string | null = null
+
+  constructor() {
+    if (process.env.BILIN_MOCK_UPDATE === '1') {
+      this.disabled = false
+      this.mockVersion = process.env.BILIN_MOCK_UPDATE_VERSION ?? '9.9.9'
+      return
+    }
+
+    this.disabled =
+      process.env.BILIN_E2E === '1' ||
+      !app.isPackaged ||
+      process.env.NODE_ENV === 'development'
+
+    autoUpdater.autoDownload = false
+    autoUpdater.autoInstallOnAppQuit = true
+
+    autoUpdater.on('update-available', (info) => {
+      this.broadcast(IPC.UPDATE_AVAILABLE, {
+        version: info.version,
+        releaseNotes: typeof info.releaseNotes === 'string' ? info.releaseNotes : undefined
+      })
+    })
+    autoUpdater.on('download-progress', (p) => {
+      this.broadcast(IPC.UPDATE_PROGRESS, {
+        percent: p.percent,
+        transferred: p.transferred,
+        total: p.total
+      })
+    })
+    autoUpdater.on('update-downloaded', (info) => {
+      this.broadcast(IPC.UPDATE_DOWNLOADED, { version: info.version })
+    })
+    autoUpdater.on('error', (err) => {
+      this.broadcast(IPC.UPDATE_ERROR, { message: err.message })
+    })
+  }
+
+  async check(): Promise<UpdateInfoPayload | null> {
+    if (this.disabled) return null
+    if (this.mockVersion) {
+      const payload = { version: this.mockVersion, releaseNotes: 'Mock update' }
+      this.broadcast(IPC.UPDATE_AVAILABLE, payload)
+      return payload
+    }
+    const result = await autoUpdater.checkForUpdates()
+    const info = result?.updateInfo
+    if (!info) return null
+    return {
+      version: info.version,
+      releaseNotes: typeof info.releaseNotes === 'string' ? info.releaseNotes : undefined
+    }
+  }
+
+  async download(): Promise<void> {
+    if (this.disabled) return
+    if (this.mockVersion) {
+      this.broadcast(IPC.UPDATE_PROGRESS, { percent: 50, transferred: 50, total: 100 })
+      this.broadcast(IPC.UPDATE_DOWNLOADED, { version: this.mockVersion })
+      return
+    }
+    await autoUpdater.downloadUpdate()
+  }
+
+  install(): void {
+    if (this.disabled || this.mockVersion) return
+    autoUpdater.quitAndInstall()
+  }
+
+  private broadcast(channel: string, payload: unknown): void {
+    try {
+      for (const win of BrowserWindow.getAllWindows()) {
+        win.webContents.send(channel, payload)
+      }
+    } catch {
+      /* test env */
+    }
+  }
+}