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/h5-partner/src/components/MultiOssUploadField.tsx

@@ -13,12 +13,20 @@ type Props = {
   maxCount?: number;
   disabled?: boolean;
   label?: string;
+  /** 系统文件选择器的 accept，默认仅图片 */
+  accept?: string;
+  /** 计量单位文案，如「张」「个」 */
+  unit?: string;
 };
 
 function isCancelError(msg: string): boolean {
   return /cancel|取消/i.test(msg);
 }
 
+function isPdf(url: string): boolean {
+  return /\.pdf(\?|$)/i.test(url);
+}
+
 function normalizeUrls(value?: string[]) {
   return (value ?? []).map((u) => String(u || '').trim()).filter(Boolean);
 }
@@ -32,6 +40,8 @@ export default function MultiOssUploadField({
   maxCount = 20,
   disabled,
   label,
+  accept = 'image/*',
+  unit = '张',
 }: Props) {
   const inputRef = useRef<HTMLInputElement>(null);
   const pickingRef = useRef(false);
@@ -67,7 +77,7 @@ export default function MultiOssUploadField({
     const room = Math.max(0, maxCount - current.length);
     const picked = files.slice(0, room);
     if (!picked.length) {
-      showUploadError(`最多 ${maxCount} 张`);
+      showUploadError(`最多 ${maxCount} ${unit}`);
       return;
     }
     setUploading(true);
@@ -83,7 +93,7 @@ export default function MultiOssUploadField({
         const next = [...urlsRef.current, ...appended];
         urlsRef.current = next;
         onChangeRef.current?.(next);
-        toastSuccess(`已上传 ${appended.length} 张`);
+        toastSuccess(`已上传 ${appended.length} ${unit}`);
       }
     } catch (e) {
       showUploadError(e instanceof Error ? e.message : '上传失败');
@@ -126,7 +136,7 @@ export default function MultiOssUploadField({
       <input
         ref={inputRef}
         type="file"
-        accept="image/*"
+        accept={accept}
         multiple
         className="partner-oss-upload-input"
         disabled={disabled || uploading || remaining <= 0}
@@ -140,11 +150,37 @@ export default function MultiOssUploadField({
         <div style={{ display: 'flex', flexWrap: 'wrap', gap: 8, marginBottom: 8 }}>
           {urls.map((url, index) => (
             <div key={`${url}-${index}`} style={{ position: 'relative', width: 88, height: 88 }}>
-              <img
-                src={url}
-                alt=""
-                style={{ width: 88, height: 88, objectFit: 'cover', borderRadius: 8 }}
-              />
+              {isPdf(url) ? (
+                <a
+                  href={url}
+                  target="_blank"
+                  rel="noreferrer"
+                  style={{
+                    display: 'flex',
+                    width: 88,
+                    height: 88,
+                    flexDirection: 'column',
+                    alignItems: 'center',
+                    justifyContent: 'center',
+                    gap: 2,
+                    borderRadius: 8,
+                    border: '1px solid rgba(0,0,0,0.08)',
+                    background: '#f7f7f7',
+                    fontSize: 12,
+                  }}
+                >
+                  <span className="material-symbols-outlined text-primary" style={{ fontSize: 26 }}>
+                    description
+                  </span>
+                  <span className="text-muted">PDF</span>
+                </a>
+              ) : (
+                <img
+                  src={url}
+                  alt=""
+                  style={{ width: 88, height: 88, objectFit: 'cover', borderRadius: 8 }}
+                />
+              )}
               {!disabled ? (
                 <button
                   type="button"
@@ -186,7 +222,7 @@ export default function MultiOssUploadField({
           {uploading
             ? '上传中…'
             : remaining <= 0
-              ? `已达上限 ${maxCount}`
+              ? `已达上限 ${maxCount}${unit}`
               : label ?? `批量上传（${urls.length}/${maxCount}）`}
         </span>
       </button>