Initial commit: OpenTerminal v0.1.0

Open-source terminal app (local + SSH): split panes, themes, SFTP,
server monitoring, broadcast input, ZMODEM, system tray, single instance.
Electron + React + TypeScript. MIT License.

src/main/updater.ts

@@ -0,0 +1,54 @@
+import { app } from 'electron'
+import { autoUpdater } from 'electron-updater'
+
+/**
+ * Default update feed (generic provider). The main agent uploads latest.yml and
+ * the NSIS installer to this stable path.
+ *
+ * KNOWN LIMITATION: electron-updater does NOT support MSI auto-updates. The
+ * update channel always runs through the NSIS .exe (latest.yml + .exe are
+ * uploaded together). MSI is manual/enterprise distribution only.
+ */
+const DEFAULT_FEED_URL =
+  'https://git.codingplan.site/api/packages/admin/generic/openterminal-update/stable/'
+
+export function configureAutoUpdater(): void {
+  // Update checks only run in packaged builds; no-op during development.
+  if (!app.isPackaged) {
+    return
+  }
+
+  const url = process.env.OT_UPDATE_URL || DEFAULT_FEED_URL
+  const token = process.env.OT_UPDATE_TOKEN
+
+  autoUpdater.setFeedURL({
+    provider: 'generic',
+    url,
+    ...(token ? { requestHeaders: { Authorization: `token ${token}` } } : {})
+  })
+
+  autoUpdater.logger = console
+  autoUpdater.autoDownload = true
+  autoUpdater.autoInstallOnAppQuit = true
+
+  // Check shortly after startup; log errors without crashing the app.
+  const timer = setTimeout(() => {
+    autoUpdater
+      .checkForUpdatesAndNotify()
+      .catch((err) => console.warn('[updater] checkForUpdates failed:', err))
+  }, 5000)
+  timer.unref?.()
+}
+
+/** Public entry point for later UI wiring (not connected this milestone). */
+export function checkForUpdates(): Promise<void> {
+  if (!app.isPackaged) {
+    return Promise.resolve()
+  }
+  return autoUpdater
+    .checkForUpdates()
+    .then(() => {})
+    .catch((err) => {
+      console.warn('[updater] checkForUpdates failed:', err)
+    })
+}