feat(store): 门店详情核销记录走马灯

新增 GET /stores/:id/recent-redeems，C 端在门店详情区上方循环展示脱敏核销动态。

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

server/dukang-api/src/modules/store/store.controller.ts

@@ -12,7 +12,10 @@ import { CurrentUser } from '../../common/decorators/current-user.decorator';
 
 @Controller('stores')
 export class PublicStoreController {
-  constructor(private readonly storeService: StoreService) {}
+  constructor(
+    private readonly storeService: StoreService,
+    private readonly redeemService: RedeemService,
+  ) {}
 
   @Get()
   @UseGuards(OptionalJwtAuthGuard)
@@ -28,6 +31,24 @@ export class PublicStoreController {
     return this.storeService.listOpenStores(cityCode, userLat, userLng, { phone: viewerPhone });
   }
 
+  @Get(':id/recent-redeems')
+  @UseGuards(OptionalJwtAuthGuard)
+  async recentRedeems(
+    @CurrentUser() user: AuthUser | undefined,
+    @Param('id') id: string,
+    @Query('limit') limit?: string,
+  ) {
+    const viewerPhone = await this.resolveViewerPhone(user);
+    // 与详情同权：白名单门店对不可见用户返回空（不泄露存在核销）
+    try {
+      await this.storeService.getStore(BigInt(id), { phone: viewerPhone });
+    } catch {
+      return [];
+    }
+    const n = limit != null && limit !== '' ? Number(limit) : 20;
+    return this.redeemService.listPublicStoreRecentRedeems(BigInt(id), Number.isFinite(n) ? n : 20);
+  }
+
   @Get(':id')
   @UseGuards(OptionalJwtAuthGuard)
   async detail(@CurrentUser() user: AuthUser | undefined, @Param('id') id: string) {