Merge branch 'dev' of github.com:Tria-plc/edr-platform into origin/freight_feature/transit

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

@@ -2250,7 +2250,9 @@ export class ContractBookingService {
           unitRepo.create({
             bookingContainerId: containerRow.id,
             containerNumber: unit.containerNumber,
-            sealNumber: unit.sealNumber ?? null,
+            // Legacy units recovered by the remainder placement can still
+            // arrive sealless — keep those null rather than empty-string.
+            sealNumber: unit.sealNumber?.trim() || null,
             vgmTons: unit.vgmTons,
             isHazardous: unit.isHazardous ?? false,
             isReefer: unit.isReefer ?? false,

apps/edr-freight-api/src/modules/contracts/dto/create-booking-under-contract.dto.ts

@@ -7,6 +7,7 @@ import {
   IsEmail,
   IsIn,
   IsInt,
+  IsNotEmpty,
   IsNumber,
   IsOptional,
   IsString,
@@ -32,10 +33,12 @@ export class CreateContainerUnitDto {
   })
   containerNumber!: string;
 
-  @ApiPropertyOptional()
-  @IsOptional()
+  @ApiProperty({ description: 'Seal number — required on every container, import and export alike.' })
   @IsString()
-  sealNumber?: string;
+  @Transform(({ value }) => (typeof value === 'string' ? value.trim() : value))
+  @IsNotEmpty({ message: 'sealNumber is required' })
+  @MaxLength(64)
+  sealNumber!: string;
 
   @ApiProperty({ description: 'VGM in tons', minimum: 0 })
   @IsNumber()