优化

common-event-contract/src/test/java/com/baiyue/common/event/FirstLegLoadingPlanCompletedV1Test.java

@@ -47,4 +47,17 @@ class FirstLegLoadingPlanCompletedV1Test {
         assertThat(restored).isEqualTo(payload);
         assertThat(json).contains("ONE_CLICK_DROPSHIP", "PLT-01", "BOX-003", "customerId");
     }
+
+    @Test
+    void legacyParserRetainsDestinationTypeWhenV2OrderCarriesIt() throws Exception {
+        String json = """
+            {"loadingPlanId":"1","planNo":"LP-1","containerBookingId":"2","containerNo":"CONT-1",
+             "warehouseId":"3","warehouseName":"海外仓","orders":[{"sourceInboundId":"100",
+             "destinationWarehouseId":"3","packageCount":1,"items":[],"destinationType":"OVERSEAS"}]}
+            """;
+
+        FirstLegLoadingPlanCompletedV1 restored = mapper.readValue(json, FirstLegLoadingPlanCompletedV1.class);
+
+        assertThat(restored.orders().get(0).destinationType()).isEqualTo("OVERSEAS");
+    }
 }