fix issues

apps/edr-freight-api/src/modules/bookings/dto/request-changes.dto.ts

@@ -107,6 +107,38 @@ export class RequestOperationDto {
   trainScheduleId?: string;
 }
 
+/**
+ * Operations changes a pending operation request's shipment day and/or train
+ * on the customer's behalf (instead of returning it for changes).
+ */
+export class RescheduleOperationDto {
+  @ApiProperty({
+    description:
+      'The new shipment day (train departure day). ISO date — must have an ' +
+      'open departure on the booking route that can carry the cargo.',
+    example: '2026-07-15',
+  })
+  @IsDateString()
+  scheduledDate!: string;
+
+  @ApiPropertyOptional({
+    description:
+      'EXPORT rail only: the train (schedule id) to ride, from ' +
+      'GET /bookings/:id/export-trains for the new day. Required for export ' +
+      'rail; ignored for import/domestic/road bookings.',
+  })
+  @IsOptional()
+  @IsUUID()
+  trainScheduleId?: string;
+
+  @ApiPropertyOptional({
+    description: 'Optional note to the customer explaining the change.',
+  })
+  @IsOptional()
+  @IsString()
+  note?: string;
+}
+
 export class OperationReviewDto {
   @ApiProperty({
     description: