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/lib/storeDraft.ts

@@ -28,7 +28,8 @@ export type StoreDraftForm = {
   benefitUsageRule: string;
   coverUrl: string;
   envPhotoUrls: string[];
-  contractUrl: string;
+  /** 签约合同，支持多张照片 / PDF */
+  contractUrls: string[];
   bankAccountName: string;
   bankAccountNo: string;
   bankBranch: string;
@@ -70,7 +71,7 @@ export const defaultStoreForm = (): StoreDraftForm => ({
   benefitUsageRule: '',
   coverUrl: '',
   envPhotoUrls: ['', '', ''],
-  contractUrl: '',
+  contractUrls: [],
   bankAccountName: '',
   bankAccountNo: '',
   bankBranch: '',
@@ -88,6 +89,9 @@ function timeToMinutes(hhmm: string): number {
 
 export const MIN_ENV_PHOTO_COUNT = 3;
 
+/** 签约合同最多可上传的照片 / PDF 数量 */
+export const MAX_CONTRACT_COUNT = 20;
+
 export function normalizeStringArray(urls: unknown, minLen: number): string[] {
   const arr = Array.isArray(urls) ? urls.map((u) => String(u ?? '')) : [];
   while (arr.length < minLen) arr.push('');
@@ -118,6 +122,22 @@ export function normalizeStoreDraftForm(raw: Partial<StoreDraftForm> | null | un
     closeTime2: String(raw.closeTime2 ?? base.closeTime2),
     avgPrice: String(raw.avgPrice ?? base.avgPrice),
     envPhotoUrls: normalizeStringArray(raw.envPhotoUrls, MIN_ENV_PHOTO_COUNT),
+    // 兼容旧草稿：单个 contractUrl 迁移为数组
+    contractUrls: (() => {
+      const list = Array.isArray(raw.contractUrls)
+        ? raw.contractUrls
+        : [(raw as { contractUrl?: unknown }).contractUrl];
+      const seen = new Set<string>();
+      const out: string[] = [];
+      for (const item of list) {
+        const url = String(item ?? '').trim();
+        if (!url || seen.has(url)) continue;
+        seen.add(url);
+        out.push(url);
+        if (out.length >= MAX_CONTRACT_COUNT) break;
+      }
+      return out;
+    })(),
     packages: Array.isArray(raw.packages)
       ? raw.packages.map((p, i) => ({
           name: String((p as { name?: string }).name ?? ''),
@@ -224,12 +244,13 @@ export function validateStoreStep1(
 }
 
 export function validateStoreStep2(
-  form: Pick<StoreDraftForm, 'coverUrl' | 'envPhotoUrls' | 'contractUrl'>,
+  form: Pick<StoreDraftForm, 'coverUrl' | 'envPhotoUrls' | 'contractUrls'>,
 ): string | null {
   if (!form.coverUrl.trim()) return '请上传门头照';
   const envCount = form.envPhotoUrls.filter((u) => u.trim()).length;
   if (envCount < MIN_ENV_PHOTO_COUNT) return `请上传至少 ${MIN_ENV_PHOTO_COUNT} 张环境照片`;
-  if (!form.contractUrl.trim()) return '请上传签约合同';
+  const contractCount = (form.contractUrls ?? []).filter((u) => u.trim()).length;
+  if (contractCount < 1) return '请上传签约合同';
   return null;
 }