/**
 * @swagger
 * components:
 *   schemas:
 *     Product:
 *       type: object
 *       required:
 *         - name
 *         - points_price
 *         - stock
 *       properties:
 *         id:
 *           type: integer
 *           description: 商品ID
 *         name:
 *           type: string
 *           description: 商品名称
 *         category:
 *           type: string
 *           description: 商品分类
 *         points_price:
 *           type: integer
 *           description: 积分价格
 *         rongdou_price:
 *           type: number
 *           description: 融豆价格
 *         stock:
 *           type: integer
 *           description: 库存数量
 *         image_url:
 *           type: string
 *           description: 商品图片URL
 *         description:
 *           type: string
 *           description: 商品描述
 *         status:
 *           type: string
 *           description: 商品状态
 *           enum: [active, inactive]
 *         payment_methods:
 *           type: array
 *           items:
 *             type: string
 *           description: 支付方式列表
 *         created_at:
 *           type: string
 *           format: date-time
 *           description: 创建时间
 *         updated_at:
 *           type: string
 *           format: date-time
 *           description: 更新时间
 */