Add v9.1.1: Device registry and remote blocking system

- Implement DeviceRegistry for remote device management
- Add dashboard for device tracking and blocking
- Remote device blocking capability with admin control
- Support for device aliasing and notes
- Enhanced device management interface
- Dashboard with real-time device status
- Configurable registry URL in build config

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

dashboard/node_modules/simple-update-notifier/src/isNpmOrYarn.ts

@@ -0,0 +1,12 @@
+import process from 'process';
+
+const packageJson = process.env.npm_package_json;
+const userAgent = process.env.npm_config_user_agent;
+const isNpm6 = Boolean(userAgent && userAgent.startsWith('npm'));
+const isNpm7 = Boolean(packageJson && packageJson.endsWith('package.json'));
+
+const isNpm = isNpm6 || isNpm7;
+const isYarn = Boolean(userAgent && userAgent.startsWith('yarn'));
+const isNpmOrYarn = isNpm || isYarn;
+
+export default isNpmOrYarn;