fix(firstleg): allow customs view for empty loading plan

firstleg/src/test/java/com/baiyue/firstleg/customs/container/ContainerCustomsControllerContractTest.java

@@ -33,7 +33,7 @@ class ContainerCustomsControllerContractTest {
         String yaml=new ClassPathResource("openapi/customs-v1.yaml").getContentAsString(java.nio.charset.StandardCharsets.UTF_8);
         new Yaml().load(yaml);
         assertThat(yaml).contains("ContainerView:","DocumentView:","FileView:","InboundView:","ActionRequest:","ScopeRequest:")
-            .contains("merchantStatus:","WAITING_UPLOAD","CUSTOMS_COMPLETED","loadingPlanId:")
+            .contains("merchantStatus:","WAITING_UPLOAD","CUSTOMS_COMPLETED","loadingPlanId:","hasActualCargo:")
             .contains("LOADING_LIST_BUY_DECLARATION_ITEMS")
             .doesNotContain("/cases/","CUSTOMS_DECLARATION");
     }

firstleg/src/test/java/com/baiyue/firstleg/customs/container/ContainerCustomsMapperContractTest.java

@@ -23,6 +23,9 @@ class ContainerCustomsMapperContractTest {
     @Test void actualCompletedLoadingItemsAndTaxModeAreTheOnlyTicketFacts() throws Exception {
         String plan=sql("planInbounds",long.class);
         assertThat(plan).contains("fl_loading_plan_item","fl_inbound_order","p.id=#{planId}","item.deleted=0");
+        String planIdentity=sql("plan",long.class);
+        assertThat(planIdentity).contains("fl_loading_plan","fl_container_booking","p.id=#{planId}")
+            .doesNotContain("fl_loading_plan_item","fl_inbound_order");
         String missing=sql("missingRefundCount",long.class,long.class);
         assertThat(missing).contains("i.tax_mode='TAX_REFUND'","fl_customs_customer_document_inbound","d.status='ACTIVE'");
     }

firstleg/src/test/java/com/baiyue/firstleg/customs/container/ContainerCustomsServiceTest.java

@@ -44,6 +44,35 @@ class ContainerCustomsServiceTest {
         assertMerchantOrderNotFound(7L,22L);
     }
 
+    @Test void completedPlanWithoutActualCargoReturnsEmptyViewInsteadOfNotFound(){
+        var plan=new ContainerCustomsMapper.PlanRow(9L,"LP9",8L,"COMPLETED","CAB","C");
+        when(mapper.planInbounds(9L)).thenReturn(List.of());
+        when(mapper.plan(9L)).thenReturn(plan);
+        when(mapper.container(9L)).thenReturn(container(ContainerCustomsService.READY,0));
+
+        var view=service.platformView(9L);
+
+        assertThat(view.hasActualCargo()).isFalse();
+        assertThat(view.planNo()).isEqualTo("LP9");
+        assertThat(view.inbounds()).isEmpty();
+        assertThat(view.documents()).isEmpty();
+        assertThat(view.taxRefundCount()).isZero();
+        verify(mapper).insertContainer(anyLong(),eq(9L),eq(8L),eq(ContainerCustomsService.READY));
+    }
+
+    @Test void completedPlanWithoutActualCargoCannotStartCustoms(){
+        when(mapper.claimCommand(anyLong(),eq(5L),eq("START_CONTAINER_CUSTOMS_9"),eq("empty-plan"),anyString())).thenReturn(1);
+        when(mapper.planInbounds(9L)).thenReturn(List.of());
+        when(mapper.plan(9L)).thenReturn(new ContainerCustomsMapper.PlanRow(9L,"LP9",8L,"COMPLETED","CAB","C"));
+        when(mapper.container(9L)).thenReturn(container(ContainerCustomsService.READY,0));
+
+        assertThatThrownBy(()->service.start(9L,5L,"admin","empty-plan",new ActionRequest(0,true,null)))
+            .isInstanceOf(BizException.class).hasMessageContaining("没有实际货物，无需报关");
+
+        verify(mapper,never()).lockContainer(9L);
+        verify(mapper,never()).start(anyLong(),anyInt(),anyLong(),anyString());
+    }
+
     @Test void merchantCompletedTaxRefundOrderReturnsContainerView(){
         var row=new ContainerCustomsMapper.InboundRow(9L,"LP9",8L,"COMPLETED","CAB","C",11L,21L,"O","I",7L,"客户","TAX_REFUND");
         when(mapper.completedPlanForOrder(7L,21L)).thenReturn(9L);