feat: add bed_id and locker_id to Occupancy entity

apps/server/src/entities/occupancy.entity.ts

@@ -9,6 +9,8 @@ import {
 import { Student } from './student.entity';
 import { Room } from './room.entity';
 import { Tenant } from './tenant.entity';
+import { Bed } from './bed.entity';
+import { Locker } from './locker.entity';
 import { Department } from './department.entity';
 
 @Entity('occupancies')
@@ -40,6 +42,20 @@ export class Occupancy {
   @Column({ type: 'text', nullable: true })
   notes: string;
 
+  @Column({ name: 'bed_id', type: 'integer', nullable: true })
+  bedId: number;
+
+  @ManyToOne(() => Bed, { nullable: true })
+  @JoinColumn({ name: 'bed_id' })
+  bed: Bed;
+
+  @Column({ name: 'locker_id', type: 'integer', nullable: true })
+  lockerId: number;
+
+  @ManyToOne(() => Locker, { nullable: true })
+  @JoinColumn({ name: 'locker_id' })
+  locker: Locker;
+
   @Column({ name: 'rental_type', length: 10, default: 'short' })
   rentalType: string;