feat(ops,store,partner): 用户权益列 + 门店合同多图上传

- admin 用户列表新增剩余/已用/累计好客权益金额三列（benefitCoupon groupBy 聚合，排除 VOID）
- admin/partner 门店入驻合同支持多张照片与 PDF（CommonResource 多记录，复用 ENV 多图逻辑）
- 新增 contract-urls.util 归一化工具，向后兼容旧 contractUrl 字段并标记 deprecated

需求1/2/3

apps/admin-web/src/components/MultiImageUpload.tsx

@@ -1,6 +1,6 @@
 import { useEffect, useRef, useState } from 'react';
 import { Button, Image, Space, Typography, Upload, message } from 'antd';
-import { UploadOutlined, DeleteOutlined } from '@ant-design/icons';
+import { UploadOutlined, DeleteOutlined, FilePdfOutlined } from '@ant-design/icons';
 import type { UploadProps } from 'antd';
 import { uploadFileToOss, type OssMediaType } from '../lib/upload';
 
@@ -13,12 +13,18 @@ type Props = {
   maxCount?: number;
   tip?: string;
   accept?: string;
+  /** 上传按钮文案，默认「批量上传图片」 */
+  buttonText?: string;
 };
 
 function normalizeUrls(value?: string[]) {
   return (value ?? []).map((u) => String(u || '').trim()).filter(Boolean);
 }
 
+function isPdf(url: string) {
+  return /\.pdf(\?|$)/i.test(url);
+}
+
 /**
  * 多图批量上传（一次可选多张），用于套餐图 / 环境照 / 商品详情图等。
  * Form.Item 直接绑定 string[]。
@@ -31,6 +37,7 @@ export default function MultiImageUpload({
   maxCount,
   tip,
   accept = 'image/*',
+  buttonText = '批量上传图片',
 }: Props) {
   const urls = normalizeUrls(value);
   const urlsRef = useRef(urls);
@@ -143,12 +150,36 @@ export default function MultiImageUpload({
           <Space wrap size={12}>
             {urls.map((url, index) => (
               <div key={`${url}-${index}`} style={{ position: 'relative', width: 96 }}>
-                <Image
-                  src={url}
-                  width={96}
-                  height={96}
-                  style={{ objectFit: 'cover', borderRadius: 6, border: '1px solid #f0f0f0' }}
-                />
+                {isPdf(url) ? (
+                  <a
+                    href={url}
+                    target="_blank"
+                    rel="noreferrer"
+                    style={{
+                      display: 'flex',
+                      width: 96,
+                      height: 96,
+                      alignItems: 'center',
+                      justifyContent: 'center',
+                      flexDirection: 'column',
+                      gap: 4,
+                      borderRadius: 6,
+                      border: '1px solid #f0f0f0',
+                      background: '#fafafa',
+                      fontSize: 12,
+                    }}
+                  >
+                    <FilePdfOutlined style={{ fontSize: 24, color: '#cf1322' }} />
+                    <span>PDF</span>
+                  </a>
+                ) : (
+                  <Image
+                    src={url}
+                    width={96}
+                    height={96}
+                    style={{ objectFit: 'cover', borderRadius: 6, border: '1px solid #f0f0f0' }}
+                  />
+                )}
                 <Button
                   type="text"
                   danger
@@ -176,7 +207,7 @@ export default function MultiImageUpload({
         disabled={uploading || !canAdd}
       >
         <Button icon={<UploadOutlined />} loading={uploading} disabled={!canAdd}>
-          {canAdd ? '批量上传图片' : '已达上限'}
+          {canAdd ? buttonText : '已达上限'}
         </Button>
       </Upload>
     </Space>