fix(occupancies): assign room resources during transfers

apps/server/src/occupancies/dto/occupancy.dto.spec.ts

@@ -0,0 +1,28 @@
+import { validate } from 'class-validator';
+import { CheckInDto, TransferRoomDto } from './occupancy.dto';
+
+describe('manual occupancy DTO bed requirements', () => {
+  it('requires a bed for manual check-in', async () => {
+    const dto = Object.assign(new CheckInDto(), {
+      studentId: 1,
+      roomId: 2,
+      checkInDate: '2026-07-13',
+    });
+
+    const errors = await validate(dto);
+
+    expect(errors.some((error) => error.property === 'bedId')).toBe(true);
+  });
+
+  it('requires a new bed for a room transfer while keeping the locker optional', async () => {
+    const dto = Object.assign(new TransferRoomDto(), {
+      newRoomId: 3,
+      transferDate: '2026-07-13',
+    });
+
+    const errors = await validate(dto);
+
+    expect(errors.some((error) => error.property === 'newBedId')).toBe(true);
+    expect(errors.some((error) => error.property === 'newLockerId')).toBe(false);
+  });
+});

apps/server/src/occupancies/dto/occupancy.dto.ts

@@ -25,9 +25,8 @@ export class CheckInDto {
   @IsOptional()
   @IsInt()
   responsibleOrganizationId?: number;
-  @IsOptional()
   @IsInt()
-  bedId?: number; // 后续改 required
+  bedId: number;
 
   @IsOptional()
   @IsInt()
@@ -58,9 +57,8 @@ export class TransferRoomDto {
   @IsString()
   oldBillingEndDate?: string; // 旧房计费截止日，默认=transferDate
 
-  @IsOptional()
   @IsInt()
-  newBedId?: number;
+  newBedId: number;
 
   @IsOptional()
   @IsInt()

apps/server/src/occupancies/occupancies.service.spec.ts

@@ -28,7 +28,10 @@ describe('OccupanciesService — responsible organization', () => {
       roomRepo,
       studentRepo,
       {} as Repository<Deposit>,
-      {} as Repository<Bed>,
+      {
+        findOne: jest.fn().mockResolvedValue({ id: 4, roomId: 2, status: 'available' }),
+        update: jest.fn(),
+      } as any as Repository<Bed>,
       {} as Repository<Locker>,
       {} as Repository<any>,
       {} as DataSource,
@@ -38,6 +41,7 @@ describe('OccupanciesService — responsible organization', () => {
       studentId: 3,
       roomId: 2,
       checkInDate: '2026-07-10',
+      bedId: 4,
     });
 
     expect(occupancyRepo.create).toHaveBeenCalledWith(