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/undefsafe/.jshintrc

@@ -0,0 +1,16 @@
+{
+  "browser": false,
+  "camelcase": true,
+  "curly": true,
+  "devel": true,
+  "eqeqeq": true,
+  "forin": true,
+  "indent": 2,
+  "noarg": true,
+  "node": true,
+  "quotmark": "single",
+  "undef": true,
+  "strict": false,
+  "unused": true
+}
+