匹配自动重连

- 修复第一次连接时ClientID为0导致匹配失败的问题
- 在GameClientMatchmaker中添加ClientID检测和自动重连逻辑
- 当检测到ClientID为0时，等待0.5秒后自动断开并重新连接
- 优化MatchmakingPanel显示逻辑，根据ClientID状态显示正确的连接状态

Assets/TcgEngine/Scripts/Menu/MatchmakingPanel.cs

@@ -1,5 +1,6 @@
 using System.Collections;
 using System.Collections.Generic;
+using UnityEngine;
 using UnityEngine.UI;
 using TcgEngine.Client;
 using TcgEngine;
@@ -34,18 +35,24 @@ namespace TcgEngine.UI
         {
             base.Update();
 
-            if (GameClientMatchmaker.Get().IsConnected())
-                text.text = "Finding Opponent...";
+            GameClientMatchmaker matchmaker = GameClientMatchmaker.Get();
+            bool is_connected = matchmaker.IsConnected();
+            ulong client_id = TcgNetwork.Get().ClientID;
+
+            // 显示连接状态
+            if (is_connected && client_id != 0)
+                text.text = "正在寻找对手...";
             else
-                text.text = "Connecting to server...";
+                text.text = "正在连接到服务器...";
 
             code_txt.text = "";
 
-            string group = GameClientMatchmaker.Get().GetGroup();
+            string group = matchmaker.GetGroup();
             if (group != null && group.StartsWith("code_"))
                 code_txt.text = group.Replace("code_", "");
         }
 
+
         public void SetCount(int players)
         {
             if (players_txt != null)