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.IService/ICheckInService.cs

@@ -21,4 +21,20 @@ public interface ICheckInService : IBaseService<CheckInRecord>
     /// <param name="userId">用户Id</param>
     /// <returns>签到信息</returns>
     Task<CheckInInfoOutput> GetCheckInInfoAsync(long userId);
+
+    /// <summary>
+    /// 补签（消耗补签卡，补签历史漏签日期）
+    /// </summary>
+    /// <param name="userId">用户Id</param>
+    /// <param name="targetDate">补签目标日期</param>
+    /// <returns>补签结果</returns>
+    Task<CheckInOutput> MakeUpCheckInAsync(long userId, DateTime targetDate);
+
+    /// <summary>
+    /// 获取用户可补签的日期列表（历史漏签日期）
+    /// </summary>
+    /// <param name="userId">用户Id</param>
+    /// <param name="days">往前查看天数（默认30天）</param>
+    /// <returns>漏签日期列表</returns>
+    Task<List<DateTime>> GetMissedDatesAsync(long userId, int days = 30);
 }