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/GameClient/GameClientMatchmaker.cs

@@ -25,6 +25,9 @@ namespace TcgEngine.Client
         private int matchmaking_players;
         private UnityAction<bool> connect_callback;
 
+        private float clientid_check_timer = 0f;
+        private bool reconnecting = false;
+
         private static GameClientMatchmaker _instance;
 
         void Awake()
@@ -62,8 +65,41 @@ namespace TcgEngine.Client
                 timer += Time.deltaTime;
                 match_timer += Time.deltaTime;
 
+                ulong client_id = TcgNetwork.Get().ClientID;
+
+                //检测ClientID为0的情况（连接未完全建立）
+                if (IsConnected() && client_id == 0 && !reconnecting)
+                {
+                    clientid_check_timer += Time.deltaTime;
+
+                    //如果超过3秒ClientID仍为0，断开并重连
+                    if (clientid_check_timer > 0.5f)
+                    {
+                        Debug.Log("ClientID is 0 after 3 seconds, reconnecting...");
+                        reconnecting = true;
+
+                        //保存匹配信息
+                        string saved_group = matchmaking_group;
+                        int saved_players = matchmaking_players;
+
+                        //断开连接
+                        Disconnect();
+
+                        //延迟后重新开始匹配
+                        StartCoroutine(ReconnectAfterDelay(saved_group, saved_players));
+
+                        clientid_check_timer = 0f;
+                    }
+                }
+                else if (IsConnected() && client_id != 0)
+                {
+                    //ClientID正常，重置计时器
+                    clientid_check_timer = 0f;
+                    reconnecting = false;
+                }
+
                 //Send periodic request
-                if (IsConnected() && TcgNetwork.Get().ClientID != 0 && timer > 2f)
+                if (IsConnected() && client_id != 0 && timer > 2f)
                 {
                     timer = 0f;
                     SendMatchRequest(true, matchmaking_group, matchmaking_players);
@@ -77,6 +113,15 @@ namespace TcgEngine.Client
             }
         }
 
+        private IEnumerator ReconnectAfterDelay(string group, int players)
+        {
+            yield return new WaitForSeconds(0.5f);
+
+            Debug.Log($"Reconnecting with group: {group}, players: {players}");
+            StartMatchmaking(group, players);
+            reconnecting = false;
+        }
+
         public void StartMatchmaking(string group, int nb_players)
         {
             if (matchmaking)