refactor: 移除AiHub Domain层对Application.Contracts的循环依赖

移除Yi.Framework.AiHub.Domain项目中对Yi.Framework.AiHub.Application.Contracts的项目引用，解决领域层和应用层之间的循环依赖问题，符合DDD架构分层原则。

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/MessageInputDto.cs

@@ -1,15 +0,0 @@
-using SqlSugar;
-using Yi.Framework.AiHub.Domain.Shared.Dtos;
-using Yi.Framework.AiHub.Domain.Shared.Dtos.OpenAi;
-
-namespace Yi.Framework.AiHub.Application.Contracts.Dtos;
-
-public class MessageInputDto
-{
-    public string? Content { get; set; }
-    public string Role { get; set; }
-    public string ModelId { get; set; }
-    public string? Remark { get; set; }
-
-    public ThorUsageResponse? TokenUsage { get; set; }
-}

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/IServices/IRechargeService.cs

@@ -0,0 +1,9 @@
+namespace Yi.Framework.AiHub.Application.Contracts.IServices;
+
+public interface IRechargeService
+{
+    /// <summary>
+    /// 移除用户vip及角色
+    /// </summary>
+    Task RemoveVipRoleByExpireAsync();
+}

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Yi.Framework.AiHub.Application.Contracts.csproj

@@ -6,8 +6,5 @@
     <ProjectReference Include="..\..\rbac\Yi.Framework.Rbac.Application.Contracts\Yi.Framework.Rbac.Application.Contracts.csproj" />
     <ProjectReference Include="..\Yi.Framework.AiHub.Domain.Shared\Yi.Framework.AiHub.Domain.Shared.csproj" />
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="IServices\" />
-  </ItemGroup>
 
 </Project>