feat: migrate snowflake ids and refresh migrations

src/Domain/TakeoutSaaS.Domain/CustomerService/Entities/ChatMessage.cs

@@ -11,7 +11,7 @@ public sealed class ChatMessage : MultiTenantEntityBase
     /// <summary>
     /// 会话标识。
     /// </summary>
-    public Guid ChatSessionId { get; set; }
+    public long ChatSessionId { get; set; }
 
     /// <summary>
     /// 发送方类型。
@@ -21,7 +21,7 @@ public sealed class ChatMessage : MultiTenantEntityBase
     /// <summary>
     /// 发送方用户 ID。
     /// </summary>
-    public Guid? SenderUserId { get; set; }
+    public long? SenderUserId { get; set; }
 
     /// <summary>
     /// 消息内容。

src/Domain/TakeoutSaaS.Domain/CustomerService/Entities/ChatSession.cs

@@ -16,17 +16,17 @@ public sealed class ChatSession : MultiTenantEntityBase
     /// <summary>
     /// 顾客用户 ID。
     /// </summary>
-    public Guid CustomerUserId { get; set; }
+    public long CustomerUserId { get; set; }
 
     /// <summary>
     /// 当前客服员工 ID。
     /// </summary>
-    public Guid? AgentUserId { get; set; }
+    public long? AgentUserId { get; set; }
 
     /// <summary>
     /// 所属门店（可空为平台）。
     /// </summary>
-    public Guid? StoreId { get; set; }
+    public long? StoreId { get; set; }
 
     /// <summary>
     /// 会话状态。

src/Domain/TakeoutSaaS.Domain/CustomerService/Entities/SupportTicket.cs

@@ -16,12 +16,12 @@ public sealed class SupportTicket : MultiTenantEntityBase
     /// <summary>
     /// 客户用户 ID。
     /// </summary>
-    public Guid CustomerUserId { get; set; }
+    public long CustomerUserId { get; set; }
 
     /// <summary>
     /// 关联订单（如有）。
     /// </summary>
-    public Guid? OrderId { get; set; }
+    public long? OrderId { get; set; }
 
     /// <summary>
     /// 工单主题。
@@ -46,7 +46,7 @@ public sealed class SupportTicket : MultiTenantEntityBase
     /// <summary>
     /// 指派的客服。
     /// </summary>
-    public Guid? AssignedAgentId { get; set; }
+    public long? AssignedAgentId { get; set; }
 
     /// <summary>
     /// 关闭时间。

src/Domain/TakeoutSaaS.Domain/CustomerService/Entities/TicketComment.cs

@@ -10,12 +10,12 @@ public sealed class TicketComment : MultiTenantEntityBase
     /// <summary>
     /// 工单标识。
     /// </summary>
-    public Guid SupportTicketId { get; set; }
+    public long SupportTicketId { get; set; }
 
     /// <summary>
     /// 评论人 ID。
     /// </summary>
-    public Guid? AuthorUserId { get; set; }
+    public long? AuthorUserId { get; set; }
 
     /// <summary>
     /// 评论内容。