feat(settings): add auto-launch handling and UI toggle support (#29)

src/main/utils/auto-launch.ts

@@ -0,0 +1,38 @@
+import { app } from 'electron'
+import log from 'electron-log/main'
+
+const SUPPORTED_PLATFORMS = new Set(['darwin', 'win32'])
+
+export function isAutoLaunchSupported(): boolean {
+  return SUPPORTED_PLATFORMS.has(process.platform)
+}
+
+export function applyAutoLaunchSetting(enabled: boolean): void {
+  if (!isAutoLaunchSupported()) {
+    log.info('Auto launch is not supported on this platform, skipping setting update')
+    return
+  }
+
+  const updateSetting = () => {
+    try {
+      const options: Parameters<typeof app.setLoginItemSettings>[0] = {
+        openAtLogin: enabled
+      }
+
+      if (process.platform === 'darwin') {
+        options.openAsHidden = true
+      }
+
+      app.setLoginItemSettings(options)
+      log.info(`Auto launch ${enabled ? 'enabled' : 'disabled'}`)
+    } catch (error) {
+      log.error('Failed to update login item settings:', error)
+    }
+  }
+
+  if (app.isReady()) {
+    updateSetting()
+  } else {
+    app.once('ready', updateSetting)
+  }
+}