feat: 完成ai message、session搭建

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Entities/SessionAggregateRoot.cs

@@ -0,0 +1,14 @@
+using SqlSugar;
+using Volo.Abp.Domain.Entities.Auditing;
+
+namespace Yi.Framework.AiHub.Domain.Entities;
+
+[SugarTable("Ai_Session")]
+[SugarIndex($"index_{{table}}_{nameof(UserId)}",$"{nameof(UserId)}", OrderByType.Asc)]
+public class SessionAggregateRoot : FullAuditedAggregateRoot<Guid>
+{
+    public Guid UserId { get; set; }
+    public string SessionTitle { get; set; }
+    public string SessionContent { get; set; }
+    public string Remark { get; set; }
+}