Add window close hour to booking desk configuration

apps/edr-freight-api/src/modules/train-scheduling/entities/train-scheduling-global-rules.entity.ts

@@ -54,6 +54,14 @@ export class TrainSchedulingGlobalRules extends BaseEntity {
   @Column({ name: 'window_open_hour', type: 'int', default: 8 })
   windowOpenHour!: number;
 
+  /**
+   * Local (Africa/Addis_Ababa) hour the booking desk shuts each day. A not-yet-full
+   * train whose next cycle would reopen at/after this hour pauses until the next
+   * morning's windowOpenHour. Set equal to windowOpenHour for a 24-hour desk.
+   */
+  @Column({ name: 'window_close_hour', type: 'int', default: 17 })
+  windowCloseHour!: number;
+
   // Stored in hours; 4 decimals so sub-minute UI durations (4 min = 0.0667h)
   // are exact. See WidenWindowDurationHoursPrecision migration.
   @Column({