feat(store): benefit coupon usage rules and show env photos on store detail

Add benefitUsageRule on store create/edit (HQ + partner) and C-end detail between intro and env gallery.

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

server/dukang-api/src/modules/ops/admin-stores.service.ts

@@ -214,6 +214,9 @@ export class AdminStoresService {
         ...(dto.name !== undefined ? { name: dto.name } : {}),
         ...(dto.phone !== undefined ? { phone: dto.phone } : {}),
         ...(dto.intro !== undefined ? { intro: dto.intro } : {}),
+        ...(dto.benefitUsageRule !== undefined
+          ? { benefitUsageRule: String(dto.benefitUsageRule).trim() || null }
+          : {}),
         ...(dto.address !== undefined ? { address: dto.address } : {}),
         ...(dto.district !== undefined ? { district: dto.district } : {}),
         ...(dto.settlementRate !== undefined ? { settlementRate: dto.settlementRate } : {}),
@@ -305,6 +308,15 @@ export class AdminStoresService {
     ]);
     if (!hoursCheck.ok) throw new BadRequestException(hoursCheck.message);
 
+    const intro = dto.intro?.trim() || null;
+    if (intro && (intro.length < 2 || intro.length > 500)) {
+      throw new BadRequestException('门店简介须为 2~500 字');
+    }
+    const benefitUsageRule = dto.benefitUsageRule?.trim() || null;
+    if (benefitUsageRule && benefitUsageRule.length > 1000) {
+      throw new BadRequestException('好客权益券使用规则最多 1000 字');
+    }
+
     const store = await this.prisma.store.create({
       data: {
         cityId: city.id,
@@ -317,7 +329,8 @@ export class AdminStoresService {
         cityName: dto.city ?? city.name,
         district: dto.district ?? '',
         address: dto.address,
-        intro: dto.intro ?? null,
+        intro,
+        benefitUsageRule,
         avgPrice: dto.avgPrice ?? null,
         openTime,
         closeTime,