Fix Bug #505: 【业务逻辑缺陷】药品医嘱已由药房发药，护士仍能在"医嘱校对"模块执行"退回"操作

前后端双重校验防止已发药医嘱被退回：
1. 后端 InpatientAdviceDto 新增 dispenseStatus 字段，Mapper SQL LEFT JOIN med_medication_dispense 获取发药状态
2. 后端 adviceReject 方法增加前置校验，已发药(COMPLETED)的医嘱直接拒绝退回
3. 前端 prescriptionList.vue handleCancel 方法增加 dispenseStatus 校验，已发药医嘱点击退回时弹窗提示

openhis-server-new/openhis-application/src/main/java/com/openhis/web/inhospitalnursestation/appservice/impl/AdviceProcessAppServiceImpl.java

@@ -206,6 +206,8 @@ public class AdviceProcessAppServiceImpl implements IAdviceProcessAppService {
             e.setTherapyEnum_enumText(EnumUtils.getInfoByValue(TherapyTimeType.class, e.getTherapyEnum()));
             // 请求状态
             e.setRequestStatus_enumText(EnumUtils.getInfoByValue(RequestStatus.class, e.getRequestStatus()));
+            // 发药状态
+            e.setDispenseStatus_enumText(EnumUtils.getInfoByValue(DispenseStatus.class, e.getDispenseStatus()));
             // 性别枚举
             e.setGenderEnum_enumText(EnumUtils.getInfoByValue(AdministrativeGender.class, e.getGenderEnum()));
             // 计算年龄
@@ -356,6 +358,17 @@ public class AdviceProcessAppServiceImpl implements IAdviceProcessAppService {
                 medRequestList.add(item);
             }
         }
+        // 校验药品医嘱是否已发药，已发药的医嘱不允许退回
+        if (!medRequestList.isEmpty()) {
+            List<Long> medReqIds = medRequestList.stream().map(PerformInfoDto::getRequestId).toList();
+            List<MedicationDispense> dispenseList = medicationDispenseService.list(
+                    new LambdaQueryWrapper<MedicationDispense>()
+                            .in(MedicationDispense::getMedReqId, medReqIds)
+                            .eq(MedicationDispense::getStatusEnum, DispenseStatus.COMPLETED.getValue()));
+            if (!dispenseList.isEmpty()) {
+                return R.fail("该医嘱已发药，无法退回");
+            }
+        }
         Long practitionerId = SecurityUtils.getLoginUser().getPractitionerId();
         Date checkDate = new Date();
         if (!serviceRequestList.isEmpty()) {

openhis-server-new/openhis-application/src/main/java/com/openhis/web/inhospitalnursestation/dto/InpatientAdviceDto.java

@@ -255,4 +255,8 @@ public class InpatientAdviceDto {
 
     /** 总价 */
     private BigDecimal totalPrice;
+
+    /** 发药状态 */
+    private Integer dispenseStatus;
+    private String dispenseStatus_enumText;
 }