fix: complete order measurement downstream flow

lastleg-service/src/main/java/com/baiyue/lastleg/dto/LastlegOrderSummary.java

@@ -47,6 +47,10 @@ public record LastlegOrderSummary(
     Integer receivedPackageCount,
     @Schema(description = "实收减预报箱数；尚未完成收货时为空")
     Integer packageDifference,
+    @Schema(description = "头程冻结货物毛重（千克）")
+    BigDecimal grossWeightKg,
+    @Schema(description = "头程冻结货物净重（千克）")
+    BigDecimal netWeightKg,
     BigDecimal volumeCbm,
     Integer productQuantity,
     BigDecimal volumeWeightKg,