feat: 新增 PC 端粘贴图片上传功能（hover 区域检测 + 网页图片链接自动填入）

inventory-web/src/views/material/list.vue

@@ -457,7 +457,7 @@
           </el-row>
 
           <el-form-item label="产品图" prop="generalImage" v-if="hasFieldPermission('files')">
-            <div class="upload-container">
+            <div class="upload-container" id="upload-generalImage">
               <el-upload
                   v-model:file-list="fileListImage"
                   action="#"
@@ -485,7 +485,7 @@
           </el-form-item>
 
           <el-form-item label="说明书" prop="generalManual" v-if="hasFieldPermission('files')">
-            <div class="upload-container">
+            <div class="upload-container" id="upload-generalManual">
               <el-upload
                   v-model:file-list="fileListManual"
                   action="#"
@@ -653,6 +653,7 @@ import {
   markWarningOrdered
 } from '@/api/material_base';
 import { uploadFile, deleteFile } from '@/api/common/upload';
+import { usePasteUpload } from '@/hooks/usePasteUpload';
 import WebRtcCamera from '@/components/Camera/WebRtcCamera.vue';
 
 const userStore = useUserStore();
@@ -1584,6 +1585,13 @@ const customUpload = async (options: any, targetField: 'generalImage' | 'general
     if (res.code === 200) {
       const newUrl = res.data.url
       form.value[targetField].push(newUrl)
+      // 同步更新 fileList，触发 el-upload UI 刷新
+      const fileObj = { name: newUrl.split('/').pop(), url: getImageUrl(newUrl) }
+      if (targetField === 'generalImage') {
+        fileListImage.value.push(fileObj)
+      } else {
+        fileListManual.value.push(fileObj)
+      }
       ElMessage.success('上传成功')
       onSuccess(res)
     } else {
@@ -1597,6 +1605,13 @@ const customUpload = async (options: any, targetField: 'generalImage' | 'general
   finally { isUploading.value = false }
 }
 
+// 粘贴上传处理器（PC 端：鼠标悬停 + Ctrl+V 直接粘贴图片）
+const handlePasteLink = (link: string, field: string) => {
+  imageExternalUrl.value = link
+}
+usePasteUpload(customUpload, 'generalImage', '#upload-generalImage', handlePasteLink)
+usePasteUpload(customUpload, 'generalManual', '#upload-generalManual', handlePasteLink)
+
 const handleRemoveImage = async (uploadFile: any, targetField: 'generalImage' | 'generalManual') => {
   const fileName = uploadFile.name || uploadFile.url?.split('/').pop() || '此文件'
   try {