feat(devicemanager): Introduce a UniversalDevice architecture with composable Feature system; add extensive new device/protocol support and discovery/refactors

ts/features/index.ts

@@ -0,0 +1,15 @@
+/**
+ * Features Module
+ * Exports all feature classes and types
+ */
+
+// Abstract base
+export { Feature, type TDeviceReference } from './feature.abstract.js';
+
+// Concrete features
+export { ScanFeature, type IScanFeatureOptions } from './feature.scan.js';
+export { PrintFeature, type IPrintFeatureOptions } from './feature.print.js';
+export { PlaybackFeature, type IPlaybackFeatureOptions } from './feature.playback.js';
+export { VolumeFeature, type IVolumeFeatureOptions, type IVolumeController } from './feature.volume.js';
+export { PowerFeature, type IPowerFeatureOptions } from './feature.power.js';
+export { SnmpFeature, type ISnmpFeatureOptions } from './feature.snmp.js';