exclude self from container clash

apps/edr-freight-api/src/modules/contracts/contract-booking.service.ts

@@ -1882,6 +1882,9 @@ export class ContractBookingService {
   async validateShipment(
     contractId: string,
     dto: CreateBookingUnderContractDto,
+    // Completion/resubmit preview: the booking being completed must not clash
+    // with its own persisted containers.
+    excludeBookingId?: string,
   ): Promise<{
     overweightLines: Array<{
       containerTypeCode: string;
@@ -2043,6 +2046,7 @@ export class ContractBookingService {
           originYardId: route?.originYardId,
           destinationYardId: route?.destinationYardId,
         },
+        excludeBookingId,
       );
       containerClashErrors = clashes.map(
         (c) =>

apps/edr-freight-api/src/modules/contracts/contracts.controller.ts

@@ -1124,8 +1124,11 @@ export class ContractsController {
   validateShipment(
     @Param('id', ParseUUIDPipe) id: string,
     @Body() dto: CreateBookingUnderContractDto,
+    // Completion/resubmit preview: exclude this booking's own persisted
+    // containers from the same-train clash check.
+    @Query('bookingId') bookingId?: string,
   ) {
-    return this.contractBookingService.validateShipment(id, dto);
+    return this.contractBookingService.validateShipment(id, dto, bookingId);
   }
 
   @Get(':id/capacity')