fix issues

apps/edr-freight-api/src/modules/train-scheduling/dto/reduce-schedule-close-offset.dto.ts

@@ -0,0 +1,20 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { Type } from 'class-transformer';
+import { IsInt, Min } from 'class-validator';
+
+/**
+ * Shorten the booking-close offset of ONE schedule whose booking shut only
+ * because of that offset (staff action on the ops board). The value replaces the
+ * schedule's frozen offset; 0 means "close at departure".
+ */
+export class ReduceScheduleCloseOffsetDto {
+  @ApiProperty({
+    example: 120,
+    description:
+      'New minutes-before-departure at which booking closes. Must be shorter than the current offset; 0 = close at departure.',
+  })
+  @Type(() => Number)
+  @IsInt()
+  @Min(0)
+  closeOffsetMinutes!: number;
+}