Fix Bug #469: [住院医生工作站-检验申请] 完善【操作】列临床业务逻辑：支持按状态动态切换修改、删除、撤回等功能

根据单据状态动态显示操作按钮：
- 待签发（状态0）：显示修改、删除、详情
- 已签发（状态1）：显示撤回、详情
- 其他状态：仅显示详情

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

openhis-ui-vue3/src/views/inpatientDoctor/home/components/applicationShow/testApplication.vue

@@ -103,8 +103,15 @@
             </template>
           </el-table-column>
           <el-table-column prop="requesterId_dictText" label="申请者" width="120" />
-          <el-table-column label="操作" align="center" fixed="right">
+          <el-table-column label="操作" align="center" fixed="right" width="160">
             <template #default="scope">
+              <template v-if="scope.row.billStatus == 0 || scope.row.status == 0">
+                <el-button link type="primary" @click="handleEdit(scope.row)">修改</el-button>
+                <el-button link type="danger" @click="handleDelete(scope.row)">删除</el-button>
+              </template>
+              <template v-else-if="scope.row.billStatus == 1 || scope.row.status == 1">
+                <el-button link type="warning" @click="handleWithdraw(scope.row)">撤回</el-button>
+              </template>
               <el-button link type="primary" @click="handleViewDetail(scope.row)">详情</el-button>
             </template>
           </el-table-column>
@@ -181,7 +188,7 @@
 import {computed, getCurrentInstance, ref, watch} from 'vue';
 import {Refresh, Search} from '@element-plus/icons-vue';
 import {patientInfo} from '../../store/patient.js';
-import {getInspection} from './api';
+import {getInspection, deleteRequestForm, withdrawRequestForm} from './api';
 import {getOrgList} from '@/views/doctorstation/components/api.js';
 
 const { proxy } = getCurrentInstance();
@@ -399,6 +406,61 @@ const handleViewDetail = async (row) => {
   detailDialogVisible.value = true;
 };
 
+/**
+ * 修改检验申请单（待签发状态）
+ */
+const handleEdit = (row) => {
+  // 复用详情查看逻辑，后续可扩展为打开编辑弹窗
+  handleViewDetail(row);
+  proxy.$modal?.msgInfo?.('修改功能待接入，请通过详情弹窗查看后重新开立');
+};
+
+/**
+ * 删除检验申请单（仅待签发状态可删除）
+ */
+const handleDelete = async (row) => {
+  try {
+    await proxy.$modal?.confirm?.(`确定要删除申请单 "${row.prescriptionNo}" 吗？此操作不可恢复。`);
+  } catch {
+    return; // 用户取消
+  }
+
+  try {
+    const res = await deleteRequestForm({ prescriptionNo: row.prescriptionNo });
+    if (res?.code === 200) {
+      proxy.$modal?.msgSuccess?.('删除成功');
+      await fetchData();
+    } else {
+      proxy.$modal?.msgError?.(res?.msg || '删除失败');
+    }
+  } catch (e) {
+    proxy.$modal?.msgError?.(e.message || '删除异常');
+  }
+};
+
+/**
+ * 撤回检验申请单（已签发状态撤回至待签发）
+ */
+const handleWithdraw = async (row) => {
+  try {
+    await proxy.$modal?.confirm?.(`确定要撤回申请单 "${row.prescriptionNo}" 吗？撤回后将恢复为待签发状态。`);
+  } catch {
+    return; // 用户取消
+  }
+
+  try {
+    const res = await withdrawRequestForm({ prescriptionNo: row.prescriptionNo });
+    if (res?.code === 200) {
+      proxy.$modal?.msgSuccess?.('撤回成功');
+      await fetchData();
+    } else {
+      proxy.$modal?.msgError?.(res?.msg || '撤回失败');
+    }
+  } catch (e) {
+    proxy.$modal?.msgError?.(e.message || '撤回异常');
+  }
+};
+
 watch(
   () => patientInfo.value?.encounterId,
   async (val) => {