AI Implementation feature(820): Project Scaffold and Platform Foundations (#1)

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

@@ -0,0 +1,25 @@
+import { Entity, PrimaryColumn, Column, CreateDateColumn } from 'typeorm';
+
+export type UserRole = 'admin' | 'player';
+export type UserStatus = 'enabled' | 'disabled';
+
+@Entity('user')
+export class UserEntity {
+  @PrimaryColumn('text')
+  id!: string;
+
+  @Column('text', { unique: true })
+  username!: string;
+
+  @Column('text', { name: 'password_hash' })
+  passwordHash!: string;
+
+  @Column('text', { default: 'player' })
+  role!: UserRole;
+
+  @Column('text', { default: 'enabled' })
+  status!: UserStatus;
+
+  @CreateDateColumn({ type: 'text', name: 'created_at' })
+  createdAt!: string;
+}