feat: check and download updates at startup

src/main/updater.ts

@@ -0,0 +1,58 @@
+import { app } from 'electron'
+import electronUpdater, { type AppUpdater } from 'electron-updater'
+import {
+  getAvailableModulePackages,
+  getModuleRegistry,
+  installModulePackage
+} from './moduleRegistry'
+
+function updater(): AppUpdater {
+  // electron-updater is CommonJS; destructuring its default import keeps the
+  // production bundle compatible with Electron's ESM interop.
+  return electronUpdater.autoUpdater
+}
+
+export function compareVersions(left: string, right: string): number {
+  const a = left.split(/[.-]/).map((part) => Number(part) || 0)
+  const b = right.split(/[.-]/).map((part) => Number(part) || 0)
+  for (let index = 0; index < Math.max(a.length, b.length); index += 1) {
+    if ((a[index] ?? 0) !== (b[index] ?? 0)) return (a[index] ?? 0) - (b[index] ?? 0)
+  }
+  return 0
+}
+
+export async function updateInstalledModulesFromCatalog(): Promise<string[]> {
+  const installed = new Map((await getModuleRegistry()).map((module) => [module.id, module]))
+  const available = await getAvailableModulePackages()
+  const updated: string[] = []
+
+  for (const candidate of available) {
+    const current = installed.get(candidate.manifest.id)
+    if (!current || compareVersions(candidate.manifest.version, current.version) <= 0) continue
+    await installModulePackage(candidate.sourcePath)
+    updated.push(`${candidate.manifest.name} ${candidate.manifest.version}`)
+  }
+
+  return updated
+}
+
+export function startAutomaticUpdates(): void {
+  void updateInstalledModulesFromCatalog()
+    .then((updated) => {
+      if (updated.length) console.info(`Updated Aurora modules: ${updated.join(', ')}`)
+    })
+    .catch((error) => console.warn('Aurora module update check failed:', error))
+
+  // electron-updater needs a packaged application and release metadata. The
+  // extracted development build intentionally skips the remote app check.
+  if (!app.isPackaged || process.env.AURORA_DISABLE_AUTO_UPDATE === '1') return
+
+  const autoUpdater = updater()
+  autoUpdater.autoDownload = true
+  autoUpdater.autoInstallOnAppQuit = true
+  autoUpdater.allowPrerelease = true
+  autoUpdater.logger = console
+  void autoUpdater.checkForUpdatesAndNotify().catch((error) =>
+    console.warn('Aurora application update check failed:', error)
+  )
+}