refactor: Cache device information centrally (#1598)

src/card-controller/controller.ts

@@ -2,6 +2,10 @@ import { LovelaceCardEditor } from '@dermotduffy/custom-card-helpers';
 import { ReactiveController } from 'lit';
 import { CameraManager } from '../camera-manager/manager';
 import { FrigateCardConfig } from '../config/types';
+import {
+  createDeviceRegistryCache,
+  DeviceRegistryManager,
+} from '../utils/ha/registry/device';
 import {
   createEntityRegistryCache,
   EntityRegistryManager,
@@ -90,6 +94,9 @@ export class CardController
 {
   // These properties may be used in the construction of 'managers' (and should
   // be created first).
+  protected _deviceRegistryManager = new DeviceRegistryManager(
+    createDeviceRegistryCache(),
+  );
   protected _entityRegistryManager = new EntityRegistryManager(
     createEntityRegistryCache(),
   );
@@ -178,6 +185,10 @@ export class CardController
     return this._defaultManager;
   }
 
+  public getDeviceRegistryManager(): DeviceRegistryManager {
+    return this._deviceRegistryManager;
+  }
+
   public getDownloadManager(): DownloadManager {
     return this._downloadManager;
   }