feat(smarthome): add smart home features and Home Assistant integration (WebSocket protocol, discovery, factories, interfaces)

ts/interfaces/feature.interfaces.ts

@@ -13,16 +13,29 @@ import type { IRetryOptions } from './index.js';
  * All supported feature types
  */
 export type TFeatureType =
+  // Document handling
   | 'scan'           // Can scan documents (eSCL, SANE)
   | 'print'          // Can print documents (IPP, JetDirect)
   | 'fax'            // Can send/receive fax
   | 'copy'           // Can copy (scan + print combined)
+  // Media playback
   | 'playback'       // Can play media (audio/video)
   | 'volume'         // Has volume control
+  // Infrastructure
   | 'power'          // Has power status (UPS, smart plug)
   | 'snmp'           // SNMP queryable
+  // DLNA
   | 'dlna-render'    // DLNA renderer
   | 'dlna-serve'     // DLNA server (content provider)
+  // Smart home (protocol-agnostic: home-assistant, hue, mqtt, etc.)
+  | 'light'          // Brightness, color, effects
+  | 'climate'        // Temperature, HVAC modes
+  | 'sensor'         // Read-only state values
+  | 'camera'         // Snapshots, streams
+  | 'cover'          // Blinds, garage doors
+  | 'switch'         // Binary on/off
+  | 'lock'           // Lock/unlock
+  | 'fan'            // Speed, oscillation
   ;
 
 /**