feat: 激活码与VIP充值支持按天计费

- 新增 VIP 天数概念，支持月数与天数组合计算过期时间
- 激活码商品新增 VipDays 配置，并新增 1 天会员试用组合包
- VIP 充值统一按天数计算（1 个月 = 31 天），兼容原有逻辑
- 激活码兑换时支持仅天数或天月组合的 VIP 充值

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/ActivationCodeService.cs

@@ -92,7 +92,7 @@ public class ActivationCodeService : ApplicationService, IActivationCodeService
                 isCreateRechargeRecord: !goods.IsCombo);
         }
 
-        if (goods.VipMonths > 0)
+        if (goods.VipMonths > 0 || goods.VipDays > 0)
         {
             await _rechargeService.RechargeVipAsync(new RechargeCreateInput
             {
@@ -100,6 +100,7 @@ public class ActivationCodeService : ApplicationService, IActivationCodeService
                 RechargeAmount = totalAmount,
                 Content = packageName,
                 Months = goods.VipMonths,
+                Days = goods.VipDays,
                 Remark = "激活码兑换",
                 ContactInfo = null
             });

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/RechargeService.cs

@@ -55,13 +55,24 @@ namespace Yi.Framework.AiHub.Application.Services
         /// </summary>
         /// <param name="input">充值输入参数</param>
         /// <returns></returns>
-        [HttpPost("recharge/vip")]
+        [RemoteService(isEnabled:false)]
         public async Task RechargeVipAsync(RechargeCreateInput input)
         {
             DateTime? expireDateTime = null;
 
-            // 如果传入了月数，计算过期时间
+            // 计算总天数（1个月 = 31天）
+            int totalDays = 0;
             if (input.Months.HasValue && input.Months.Value > 0)
+            {
+                totalDays += input.Months.Value * 31;
+            }
+            if (input.Days.HasValue && input.Days.Value > 0)
+            {
+                totalDays += input.Days.Value;
+            }
+
+            // 如果有天数，计算过期时间
+            if (totalDays > 0)
             {
                 // 直接查询该用户最大的过期时间
                 var maxExpireTime = await _repository._DbQueryable
@@ -75,9 +86,9 @@ namespace Yi.Framework.AiHub.Application.Services
                     ? maxExpireTime.Value
                     : DateTime.Now;
                 // 计算新的过期时间
-                expireDateTime = baseDateTime.AddMonths(input.Months.Value);
+                expireDateTime = baseDateTime.AddDays(totalDays);
             }
-            // 如果月数为空或0，表示永久VIP，ExpireDateTime保持为null
+            // 如果总天数为0，表示永久VIP，ExpireDateTime保持为null
 
             // 创建充值记录
             var rechargeRecord = new AiRechargeAggregateRoot