feat: add wechat mini program mall, check-in supplement and pet skin system

This commit implements a complete WeChat mini program mall and related features:
1. Add pet skin entity and backpack item type support
2. Add make-up check-in and missed date query functions
3. Implement mall product browsing, exchange and record query
4. Add backpack management and item usage (make-up card)
5. Add pet skin equipping function
6. Fix UserBag ItemId type from int to long
7. Adjust Dockerfile exposed port to 8080
8. Fix session cookie unprotect warning

QYZH.InteractiveMagazine.Models/Entity/PetSkin.cs

@@ -0,0 +1,55 @@
+using SqlSugar;
+
+namespace QYZH.InteractiveMagazine.Models.Entity
+{
+    /// <summary>
+    /// 宠物皮肤定义表
+    /// </summary>
+    [SugarTable("PetSkin")]
+    public partial class PetSkin : SqlSugarBaseEntity
+    {
+        public PetSkin() { }
+
+        /// <summary>
+        /// Desc:皮肤名称
+        /// Default:
+        /// Nullable:False
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Desc:皮肤图片
+        /// Default:
+        /// Nullable:True
+        /// </summary>
+        public string ImageUrl { get; set; }
+
+        /// <summary>
+        /// Desc:描述/特效说明
+        /// Default:
+        /// Nullable:True
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>
+        /// Desc:关联商品Id（用于兑换）
+        /// Default:
+        /// Nullable:False
+        /// </summary>
+        public long ProductId { get; set; }
+
+        /// <summary>
+        /// Desc:稀有度: Normal, Rare, Epic, Legendary
+        /// Default:Normal
+        /// Nullable:False
+        /// </summary>
+        public string Rarity { get; set; }
+
+        /// <summary>
+        /// Desc:排序权重
+        /// Default:0
+        /// Nullable:False
+        /// </summary>
+        public int SortOrder { get; set; }
+    }
+}