wip

packages/identity/domain/entities/UserAchievement.ts

@@ -1,9 +1,11 @@
 /**
  * Domain Entity: UserAchievement
- * 
+ *
  * Represents an achievement earned by a specific user.
  */
 
+import type { IEntity } from '@gridpilot/shared/domain';
+
 export interface UserAchievementProps {
   id: string;
   userId: string;
@@ -13,7 +15,7 @@ export interface UserAchievementProps {
   progress?: number; // For partial progress tracking (0-100)
 }
 
-export class UserAchievement {
+export class UserAchievement implements IEntity<string> {
   readonly id: string;
   readonly userId: string;
   readonly achievementId: string;