enhance contract review and editing experience

apps/edr-freight-api/src/modules/bookings/dto/create-booking.dto.ts

@@ -52,6 +52,28 @@ export class CreateBookingContainerDto {
   @Min(0)
   @Transform(({ value }) => Number(value))
   vgmPerUnitTons!: number;
+
+  @ApiPropertyOptional({
+    description: 'How many of this line are hazardous (0..quantity)',
+    minimum: 0,
+    default: 0,
+  })
+  @IsOptional()
+  @IsInt()
+  @Min(0)
+  @Transform(({ value }) => Number(value ?? 0))
+  hazardousQuantity?: number;
+
+  @ApiPropertyOptional({
+    description: 'How many of this line are refrigerated (0..quantity)',
+    minimum: 0,
+    default: 0,
+  })
+  @IsOptional()
+  @IsInt()
+  @Min(0)
+  @Transform(({ value }) => Number(value ?? 0))
+  reeferQuantity?: number;
 }
 
 /**
@@ -320,6 +342,25 @@ export class CreateBookingDto {
   @Transform(({ value }) => value === 'true' || value === true)
   isReefer?: boolean;
 
+  /**
+   * Bulk-only: how much of the cargo is hazardous / refrigerated, in the cargo's
+   * unit of measure (tons for PER_TON, item count for PER_ITEM). Must not exceed
+   * cargoTotalWeightVgm. Ignored for container freight (per-line on containers).
+   */
+  @ApiPropertyOptional({ minimum: 0, default: 0 })
+  @IsOptional()
+  @IsNumber()
+  @Min(0)
+  @Transform(({ value }) => Number(value ?? 0))
+  bulkHazardousQuantity?: number;
+
+  @ApiPropertyOptional({ minimum: 0, default: 0 })
+  @IsOptional()
+  @IsNumber()
+  @Min(0)
+  @Transform(({ value }) => Number(value ?? 0))
+  bulkReeferQuantity?: number;
+
   @ApiProperty({ enum: PAYMENT_CURRENCIES })
   @IsIn([...PAYMENT_CURRENCIES])
   paymentCurrency!: string;