fix(lastleg): isolate shipping node version stream

lastleg-service/src/main/java/com/baiyue/lastleg/service/LoadingCompletedConsumer.java

@@ -73,8 +73,11 @@ public class LoadingCompletedConsumer {
             return countOrders(envelope,payload.containerNo());
         }
 
+        // The loading-plan and container-shipping events are independent aggregate streams.
+        // Seeding the shipping version from the loading-plan version makes a valid first node
+        // (aggregateVersion=0) look stale whenever the loading plan has a higher version.
         shippingGates.initialize(payload.containerBookingId(), envelope.tenantId(), "",
-            payload.containerNo(), envelope.aggregateVersion(), envelope.handoverVersion());
+            payload.containerNo(), 0, envelope.handoverVersion());
 
         String orderNo = orderNoGenerator.forContainerNo(payload.containerNo());
         JsonNode rawOrders = envelope.payload().path("orders");