feat: 采购申请完结功能移到批次主行,与出库审批一致

- 移除展开行内的单条完结按钮(需点开),改为主行'完结本批'直接可见
- 后端 batch-approve 支持 action=close(批次内已通过→已完结)
- 超管/库管在主行操作列即可看到并完结

inventory-web/src/views/purchase/index.vue

@@ -58,9 +58,6 @@
                     <el-button type="success" link size="small" @click="handleApprove(it)">通过</el-button>
                     <el-button type="danger" link size="small" @click="openRejectDialog(it)">驳回</el-button>
                   </template>
-                  <template v-else-if="it.status === 1 && canClose">
-                    <el-button type="danger" plain link size="small" @click="handleCloseRequest(it)">完结</el-button>
-                  </template>
                 </template>
               </el-table-column>
             </el-table>
@@ -119,6 +116,10 @@
             <el-button type="success" link size="small" :loading="batchLoading" @click="handleApproveBatch(row.batchKey)">审批本批</el-button>
             <el-button type="danger" link size="small" :loading="batchLoading" @click="openRejectBatchDialog(row.batchKey)">驳回本批</el-button>
           </template>
+          <!-- ★ 完结本批：批次内已通过的单，库管可直接完结（仿出库审批，主行可见） -->
+          <template v-if="batchHasClosable(row) && canClose">
+            <el-button type="danger" plain link size="small" :loading="batchLoading" @click="handleCloseBatch(row.batchKey)">完结本批</el-button>
+          </template>
         </template>
       </el-table-column>
     </el-table>
@@ -485,6 +486,34 @@ const handleApproveBatch = async (batchKey: string) => {
   }
 }
 
+// ★ 批次内是否存在「已通过」的单（可完结）
+const batchHasClosable = (row: any) => (row.items || []).some((it: any) => it.status === 1)
+
+// ★ 完结本批：一键完结批次内所有「已通过」记录（仿出库审批）
+const handleCloseBatch = async (batchKey: string) => {
+  const batch = list.value.find(b => b.batchKey === batchKey)
+  const closable = batch ? (batch.items || []).filter((it: any) => it.status === 1) : []
+  if (!closable.length) return ElMessage.warning('本批没有已通过记录可完结')
+  try {
+    await ElMessageBox.confirm(
+      `确定强制完结批次【${batchKey}】中 ${closable.length} 条已通过的记录吗？\n\n此操作不可恢复。`,
+      '⚠️ 完结本批确认',
+      { confirmButtonText: '确认完结', cancelButtonText: '取消', type: 'warning' }
+    )
+  } catch { return }
+
+  batchLoading.value = true
+  try {
+    const res: any = await batchApprovePurchase({ batch_key: batchKey, action: 'close' })
+    ElMessage.success(res?.msg || '本批已完结')
+    await fetchData()
+  } catch (err: any) {
+    ElMessage.error(err?.msg || err?.message || '完结失败')
+  } finally {
+    batchLoading.value = false
+  }
+}
+
 // ★ 驳回本批：批次内所有待审批记录统一驳回
 const rejectBatchKey = ref('')
 const rejectBatchDialogVisible = ref(false)