fix(oms,wms): 出库单下发WMS失败被静默吞掉，修复WMS出库拣货不显示OMS单据

- 建单/下发前统一校验（数量>0、已关联库存、WMS可用库存），错误汇总一次性提示
- 新增WMS库存校验接口，库存不足在OMS侧拦截不再推送WMS；拦截重复下发
- 检查WMS自动分配/生成拣货单返回值，失败报错并补偿清理WMS残留单据
- 下发状态逐单提交，避免批量部分失败造成两边状态撕裂
- 预约单多仓下发增加逐仓预校验
- 修复取消下发不删拣货单、无库存脏单无法取消两个历史问题

mhd-api/mhd-api-system/src/main/java/com/mhd/system/api/WmsServiceFeign.java

@@ -100,7 +100,7 @@ public interface WmsServiceFeign {
 
     @ApiOperation("oms取消下发单保存")
     @PostMapping(value = "/stockOutOrderApi/cancelExecutionOrder")
-    public void omsCancelExecutionOrder(@RequestBody StockOutOrder stockOutOrder);
+    public AjaxResult omsCancelExecutionOrder(@RequestBody StockOutOrder stockOutOrder);
 
     @ApiOperation("oms取消下发单自动分配")
     @PostMapping(value = "/stockOutOrderApi/omsAutoAssign")
@@ -110,6 +110,14 @@ public interface WmsServiceFeign {
     @PostMapping(value = "/stockOutOrderApi/execution")
     public AjaxResult execution(@RequestBody com.mhd.system.api.domain.StockOutOrderDTO stockOutOrderDTO);
 
+    /**
+     * oms下发前库存校验：可用库存不足时返回错误，OMS据此在推送前拦截下发，
+     * 避免单据先落库、分配才失败而在WMS残留"已审核"状态的垃圾单
+     */
+    @ApiOperation("oms下发前库存校验")
+    @PostMapping(value = "/stockOutOrderApi/checkOmsAssignInventory")
+    public AjaxResult checkOmsAssignInventory(@RequestBody List<OutMaterialDetail> outMaterialDetails);
+
     /**
      * oms下发单明细保存
      */

mhd-api/mhd-api-system/src/main/java/com/mhd/system/api/factory/RemoteWmsFallbackFactory.java

@@ -74,8 +74,9 @@ public class RemoteWmsFallbackFactory implements FallbackFactory<WmsServiceFeign
             }
 
             @Override
-            public void omsCancelExecutionOrder(StockOutOrder stockOutOrder) {
-
+            public AjaxResult omsCancelExecutionOrder(StockOutOrder stockOutOrder) {
+                //返回错误而非静默成功，让OMS侧补偿清理能感知失败并记录告警
+                return AjaxResult.error("WMS取消下发清理失败：" + cause.getMessage());
             }
 
             @Override
@@ -88,6 +89,12 @@ public class RemoteWmsFallbackFactory implements FallbackFactory<WmsServiceFeign
                 return AjaxResult.error(cause.getMessage());
             }
 
+            @Override
+            public AjaxResult checkOmsAssignInventory(List<OutMaterialDetail> outMaterialDetails) {
+                //校验接口本身不可用时返回错误，OMS会阻止下发（不能在WMS状态未知时盲目推送）
+                return AjaxResult.error("WMS库存校验服务不可用：" + cause.getMessage());
+            }
+
             @Override
             public void omsInOrderAddDetail(List<InMaterialDetail> inMaterialDetails) {
             }