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/store/store.service.ts

@@ -304,6 +304,11 @@ export class StoreService {
     if (introRaw && (introRaw.length < 2 || introRaw.length > 500)) {
       throw new BadRequestException('门店简介须为 2~500 字');
     }
+    const benefitUsageRuleRaw =
+      body.benefitUsageRule != null ? String(body.benefitUsageRule).trim() : '';
+    if (benefitUsageRuleRaw.length > 1000) {
+      throw new BadRequestException('好客权益券使用规则最多 1000 字');
+    }
 
     const latitude = parseOptionalCoord(body.latitude, 'lat');
     const longitude = parseOptionalCoord(body.longitude, 'lng');
@@ -323,6 +328,7 @@ export class StoreService {
         district: String(body.district ?? ''),
         address: String(body.address),
         intro: introRaw || null,
+        benefitUsageRule: benefitUsageRuleRaw || null,
         avgPrice: avgPriceRaw,
         openTime,
         closeTime,
@@ -518,6 +524,8 @@ export class StoreService {
     const phone = body.phone !== undefined ? String(body.phone).trim() : undefined;
     const address = body.address !== undefined ? String(body.address).trim() : undefined;
     const introRaw = body.intro !== undefined ? String(body.intro).trim() : undefined;
+    const benefitUsageRuleRaw =
+      body.benefitUsageRule !== undefined ? String(body.benefitUsageRule).trim() : undefined;
     const latitude =
       body.latitude !== undefined ? parseOptionalCoord(body.latitude, 'lat') : undefined;
     const longitude =
@@ -531,6 +539,9 @@ export class StoreService {
     if (introRaw && (introRaw.length < 2 || introRaw.length > 500)) {
       throw new BadRequestException('门店简介须为 2~500 字');
     }
+    if (benefitUsageRuleRaw !== undefined && benefitUsageRuleRaw.length > 1000) {
+      throw new BadRequestException('好客权益券使用规则最多 1000 字');
+    }
     if (
       (latitude !== undefined || longitude !== undefined) &&
       (latitude == null || longitude == null)
@@ -552,6 +563,9 @@ export class StoreService {
           : {}),
         ...(hasCoordsUpdate ? { latitude, longitude } : {}),
         ...(introRaw !== undefined ? { intro: introRaw || null } : {}),
+        ...(benefitUsageRuleRaw !== undefined
+          ? { benefitUsageRule: benefitUsageRuleRaw || null }
+          : {}),
         ...(resubmitAudit
           ? {
               auditStatus: 'PENDING' as const,