Add window close hour to booking desk configuration

apps/edr-freight-api/src/modules/train-scheduling/dto/update-train-scheduling-global-rules.dto.ts

@@ -52,7 +52,7 @@ export class UpdateTrainSchedulingGlobalRulesDto {
   @Min(1)
   exportBookingLeadHours?: number;
 
-  @ApiPropertyOptional({ example: 8, description: 'Local EAT hour the import window opens' })
+  @ApiPropertyOptional({ example: 8, description: 'Local EAT hour the import window opens each day' })
   @IsOptional()
   @Type(() => Number)
   @IsInt()
@@ -60,6 +60,18 @@ export class UpdateTrainSchedulingGlobalRulesDto {
   @Max(23)
   windowOpenHour?: number;
 
+  @ApiPropertyOptional({
+    example: 17,
+    description:
+      'Local EAT hour the booking desk shuts each day; a not-yet-full window resumes next morning at windowOpenHour. Equal to windowOpenHour = 24-hour desk',
+  })
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt()
+  @Min(0)
+  @Max(23)
+  windowCloseHour?: number;
+
   // Stored in hours. The UI enters this in minutes/hours/days and converts to
   // hours before sending, so the floor is 1 minute (0.0166h) — not 15 min.
   @ApiPropertyOptional({ example: 3 })