create doctor dto change

src/doctor/dto/create-doctor.dto.ts

@@ -33,9 +33,9 @@ export class CreateDoctorDto {
     example: 'fd3a0d17-5a61-4b2f-9c88-abcdeff12345',
     required: false,
   })
-  @IsOptional()
   @IsUUID()
-    doctorSpecialityId?: string;
+  @IsNotEmpty({ message: 'Doctor speciality is required' })
+  doctorSpecialityId: string;
 
   @ApiProperty({
     description: 'Full name of the doctor',