feat(pl): add toolbar batch ZIP download for vehicle certs.

Wire selected rows to frontend JSZip packing on the third-party vehicle list.

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/views/pl/vehicle/index.vue

@@ -64,6 +64,15 @@
             filename="车辆列表.xlsx"
           />
 
+          <el-button
+            class="btn-ghost"
+            :disabled="selectedRows.length === 0"
+            :loading="certZipLoading"
+            @click="handleBatchDownloadCertZip"
+          >
+            <el-icon><Download /></el-icon>批量下载证书 ZIP
+          </el-button>
+
           <ListToolbarEndActions
             :loading="loading"
             :column-defs="listColumnDefs"
@@ -542,6 +551,7 @@ import {
   previewListPhoto,
   resolvePhotoDisplayUrl
 } from '@/utils/pl-photo'
+import { buildAndSaveVehicleCertZip } from '@/utils/pl-vehicle-cert-zip'
 
 const handlePhotoPreview = (raw?: string | null) => previewListPhoto(raw)
 const handlePhotoDownload = (raw?: string | null) => downloadListPhoto(raw)
@@ -665,6 +675,7 @@ const { handlePersonnelFormSaved } = usePlVehiclePersonnelQuickCreate({
   onSelect: handlePersonnelSelect
 })
 const selectedRows = ref<Vehicle[]>([])
+const certZipLoading = ref(false)
 
 function buildListQueryParams(): Record<string, any> {
   const params: Record<string, any> = {
@@ -1047,6 +1058,32 @@ function handleSelectionChange(rows: Vehicle[]) {
   selectedRows.value = rows
 }
 
+async function handleBatchDownloadCertZip() {
+  if (!selectedRows.value.length || certZipLoading.value) return
+  certZipLoading.value = true
+  try {
+    const result = await buildAndSaveVehicleCertZip(selectedRows.value)
+    if (!result.zipName && result.okCount === 0 && result.failCount === 0) {
+      ElMessage.warning('无可下载附件')
+      return
+    }
+    if (!result.zipName && result.failCount > 0) {
+      ElMessage.error('下载失败，请稍后重试')
+      return
+    }
+    if (result.failCount > 0) {
+      ElMessage.warning(`已打包 ${result.okCount} 个文件，${result.failCount} 个失败`)
+      return
+    }
+    ElMessage.success(`下载成功（${result.okCount} 个文件）`)
+  } catch (e) {
+    console.error(e)
+    ElMessage.error('下载失败，请稍后重试')
+  } finally {
+    certZipLoading.value = false
+  }
+}
+
 function handleToolbarEdit() {
   if (selectedRows.value.length !== 1) {
     ElMessage.warning('请选择一条车辆记录')