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/math-intrinsics/constants/maxSafeInteger.js

@@ -0,0 +1,5 @@
+'use strict';
+
+/** @type {import('./maxSafeInteger')} */
+// eslint-disable-next-line no-extra-parens
+module.exports = /** @type {import('./maxSafeInteger')} */ (Number.MAX_SAFE_INTEGER) || 9007199254740991; // Math.pow(2, 53) - 1;