AI Implementation feature(867): Admin Area Players Management (#56)

backend/src/database/entities/solve.entity.ts

@@ -8,6 +8,7 @@ import {
   JoinColumn,
 } from 'typeorm';
 import { ChallengeEntity } from './challenge.entity';
+import { UserEntity } from './user.entity';
 
 @Entity('solve')
 @Unique('uq_solve_challenge_user', ['challengeId', 'userId'])
@@ -27,6 +28,10 @@ export class SolveEntity {
   @Column('text', { name: 'user_id' })
   userId!: string;
 
+  @ManyToOne(() => UserEntity, { onDelete: 'CASCADE' })
+  @JoinColumn({ name: 'user_id' })
+  user?: UserEntity;
+
   @Column('text', { name: 'solved_at' })
   solvedAt!: string;