feat(integrations): add mock integration (#3505)

packages/integrations/src/interfaces/smart-home/smart-home-integration.ts

@@ -0,0 +1,7 @@
+import type { EntityStateResult } from "./smart-home-types";
+
+export interface ISmartHomeIntegration {
+  getEntityStateAsync(entityId: string): Promise<EntityStateResult>;
+  triggerAutomationAsync(entityId: string): Promise<boolean>;
+  triggerToggleAsync(entityId: string): Promise<boolean>;
+}

packages/integrations/src/interfaces/smart-home/smart-home-types.ts

@@ -0,0 +1,17 @@
+interface EntityState {
+  attributes: Record<string, string | number | boolean | null | (string | number)[]>;
+  entity_id: string;
+  last_changed: Date;
+  last_updated: Date;
+  state: string;
+}
+
+export type EntityStateResult =
+  | {
+      success: true;
+      data: EntityState;
+    }
+  | {
+      success: false;
+      error: unknown;
+    };