添加项目文件。

message/Tnb.Message.Interfaces/IImReplyService.cs

@@ -0,0 +1,13 @@
+namespace JNPF.Message.Interfaces;
+
+/// <summary>
+/// 业务抽象：消息会话.
+/// </summary>
+public interface IImReplyService
+{
+    /// <summary>
+    /// 强制下线.
+    /// </summary>
+    /// <param name="connectionId"></param>
+    void ForcedOffline(string connectionId);
+}