fix: CanAnKong硬编码false + 人类HUD显示听牌/杠/对手状态

修复:
- CanAnKong: 硬编码false → 检查手牌中4张相同(暗杠)
- HumanMahjongPlayer: 添加MeldsSolver依赖,实时检测听牌
- 人类HUD: 显示牌墙/副露/听牌🀄/杠类型(暗/明/加)
- 交互模式人类: 对手显示'X张手牌 | 已pung[..]'不暴露手牌

Demo/Program.cs

@@ -146,17 +146,43 @@ else
         // Show current hands
         if (!room.IsFinished)
         {
+            // In human mode, show only opponent hands (human HUD shows their own)
             Console.WriteLine();
-            Console.WriteLine("  当前手牌:");
+            if (humanMode)
-            foreach (var p in room.State.PlayerOrder)
             {
-                if (!room.State.AlivePlayers.Contains(p)) continue;
+                Console.WriteLine("  对手状态:");
-                var hand = room.State.Hands[p];
+                foreach (var p in room.State.PlayerOrder)
-                Console.WriteLine($"    {p}: {string.Join(" ", hand.OrderBy(t => t).Select(MahjongTile.ToString))} ({hand.Count}张)");
+                {
+                    if (p == "AI-东") continue; // skip human
+                    if (!room.State.AlivePlayers.Contains(p)) continue;
+                    var hand = room.State.Hands[p];
+                    var exposedStr = "";
+                    if (room.State.Exposed.TryGetValue(p, out var melds) && melds.Count > 0)
+                    {
+                        var descs = melds.Select(m =>
+                            $"{m.Type}[{string.Join(",", m.Tiles.Where(t => t != -1).Select(MahjongTile.ToString))}]");
+                        exposedStr = $" | 已{string.Join(" ", descs)}";
+                    }
+                    Console.WriteLine($"    {p}: {hand.Count}张手牌{exposedStr}");
+                }
+            }
+            else
+            {
+                Console.WriteLine("  当前手牌:");
+                foreach (var p in room.State.PlayerOrder)
+                {
+                    if (!room.State.AlivePlayers.Contains(p)) continue;
+                    var hand = room.State.Hands[p];
+                    Console.WriteLine($"    {p}: {string.Join(" ", hand.OrderBy(t => t).Select(MahjongTile.ToString))} ({hand.Count}张)");
+                }
             }
 
-            Console.Write("\n[按 Enter 继续]");
+            // In human mode, don't wait for Enter — human interactions already pause
-            Console.ReadLine();
+            if (!humanMode)
+            {
+                Console.Write("\n[按 Enter 继续]");
+                Console.ReadLine();
+            }
         }
     }
 

RuleEngine/AI/HumanMahjongPlayer.cs

@@ -2,18 +2,21 @@ namespace RuleEngine.AI;
 
 using RuleEngine.Core;
 using RuleEngine.Phase;
+using RuleEngine.Patterns;
 
 /// <summary>
 /// Human player — reads commands from console stdin.
-/// Commands: h=hu, p=pung, k=kong, c=chi, 1-9=discard tile by index, q=quit
+/// Commands: h=hu, p=pung, k=kong (an_kong/ming_kong/bu_kong), c=chi, 1-N=discard by index, q=quit
 /// </summary>
 public class HumanMahjongPlayer
 {
     public string Name { get; }
+    private readonly MeldsSolver _solver;
 
-    public HumanMahjongPlayer(string name)
+    public HumanMahjongPlayer(string name, MeldsSolver solver)
     {
         Name = name;
+        _solver = solver;
     }
 
     public (string action, int? tile) Decide(List<ActionOption> legalActions, MahjongGameState state)
@@ -21,7 +24,6 @@ public class HumanMahjongPlayer
         var hand = state.Hands.GetValueOrDefault(Name, new List<int>());
         var sorted = hand.OrderBy(t => t).ToList();
 
-        // Highlight last drawn tile
         int? drawnTile = state.LastDrawnTile;
         int drawnIdx = drawnTile.HasValue ? sorted.IndexOf(drawnTile.Value) : -1;
 
@@ -29,29 +31,43 @@ public class HumanMahjongPlayer
         {
             Console.WriteLine();
             Console.WriteLine($"=== {Name} 的回合 ===");
+            Console.WriteLine($"  牌墙: {state.Deck.Count}张 | 弃牌堆: {state.DiscardPool.Count}张");
+
+            // Show exposed melds
+            if (state.Exposed.TryGetValue(Name, out var exposed) && exposed.Count > 0)
+            {
+                var meldStr = string.Join(" ", exposed.Select(m =>
+                    $"{m.Type}[{string.Join(",", m.Tiles.Where(t => t != -1).Select(MahjongTile.ToString))}]"));
+                Console.WriteLine($"  已碰/杠: {meldStr}");
+            }
+
             if (drawnTile.HasValue && drawnIdx >= 0)
                 Console.WriteLine($"  🀫 刚刚摸到: {MahjongTile.ToString(drawnTile.Value)}");
-            Console.WriteLine($"手牌 ({hand.Count}张):");
+            Console.WriteLine($"  手牌 ({hand.Count}张):");
             for (int i = 0; i < sorted.Count; i++)
             {
                 bool isDrawn = (i == drawnIdx);
-                Console.WriteLine($"  [{i + 1}] {(isDrawn ? "→ " : "  ")}{MahjongTile.ToString(sorted[i])}{(isDrawn ? " ← 新摸" : "")}");
+                Console.WriteLine($"    [{i + 1}] {(isDrawn ? "→ " : "  ")}{MahjongTile.ToString(sorted[i])}{(isDrawn ? " ← 新摸" : "")}");
             }
             Console.WriteLine();
 
             // Show available actions
             var winOpt = legalActions.FirstOrDefault(a => a.Action == "win");
             var pungOpt = legalActions.FirstOrDefault(a => a.Action == "pung");
-            var kongOpt = legalActions.FirstOrDefault(a => a.Action == "ming_kong" || a.Action == "an_kong");
+            var kongOpts = legalActions.Where(a => a.Action is "ming_kong" or "an_kong" or "bu_kong").ToList();
             var chiOpt = legalActions.FirstOrDefault(a => a.Action == "chi");
 
-            Console.Write("可选操作: ");
+            // Check if we're one tile away from winning (ting)
+            bool isTing = CheckTing(state);
+
+            Console.Write("  可选操作: ");
             var ops = new List<string>();
-            if (hand.Count > 0) ops.Add("1-{0}(出牌)".Replace("{0}", hand.Count.ToString()));
+            if (hand.Count > 0) ops.Add($"1-{hand.Count}(出牌)");
             if (pungOpt != null) ops.Add("p(碰)");
-            if (kongOpt != null) ops.Add("k(杠)");
+            if (kongOpts.Count > 0) ops.Add($"k(杠: {string.Join("/", kongOpts.Select(o => o.Action))})");
             if (chiOpt != null) ops.Add("c(吃)");
-            if (winOpt != null) ops.Add("h(胡)");
+            if (winOpt != null) ops.Add("h✨(胡!)");
+            if (isTing) ops.Add("🀄听牌!");
             ops.Add("q(退出)");
             Console.WriteLine(string.Join(" ", ops));
             Console.Write("> ");
@@ -62,16 +78,27 @@ public class HumanMahjongPlayer
             if (input == "q") return ("pass", null);
             if (input == "h" && winOpt != null) return ("win", null);
             if (input == "p" && pungOpt != null) return ("pung", null);
-            if (input == "k" && kongOpt != null) return (kongOpt.Action, null);
+            if (input == "k" && kongOpts.Count > 0) return (kongOpts[0].Action, null);
             if (input == "c" && chiOpt != null) return ("chi", null);
 
-            // Discard by index
             if (int.TryParse(input, out int idx) && idx >= 1 && idx <= sorted.Count)
-            {
                 return ("discard", sorted[idx - 1]);
-            }
 
-            Console.WriteLine("无效输入，请重试");
+            Console.WriteLine("  无效输入，请重试");
         }
     }
+
+    private bool CheckTing(MahjongGameState state)
+    {
+        var hand = state.Hands.GetValueOrDefault(Name, new List<int>());
+        // Check all possible tiles for win potential
+        var allTiles = MahjongTile.AllTiles(false, false);
+        foreach (var tile in allTiles)
+        {
+            if (hand.Count(t => t == tile) >= 4) continue;
+            var r = _solver.CheckWin(hand, newTile: tile);
+            if (r != null && r.IsWin) return true;
+        }
+        return false;
+    }
 }

RuleEngine/MahjongRoom.cs

@@ -26,12 +26,13 @@ public class MahjongRoom
         _rules = rules;
         _autoMode = autoMode;
         _ais = playerNames.Select((n, i) => new RandomMahjongAI(n, new Random(i * 7919))).ToList();
-        if (humanPlayer != null)
-            _human = new HumanMahjongPlayer(humanPlayer);
 
         var fanConfig = BuildFanConfig();
         _solver = new MeldsSolver(fanConfig);
 
+        if (humanPlayer != null)
+            _human = new HumanMahjongPlayer(humanPlayer, _solver);
+
         var phases = BuildPhases();
         var (wc, r258) = GetWinParams();
         _phaseMachine = new MahjongPhaseMachine(phases, _solver, wildcardCount: wc, require258: r258);

RuleEngine/Phase/PhaseMachine.cs

@@ -134,7 +134,9 @@ public class MahjongPhaseMachine
 
     private bool CanAnKong(MahjongGameState state, string playerId)
     {
-        return false; // Simplified: AI decides during draw phase
+        // Check if player has 4 identical tiles in hand (暗杠)
+        var hand = state.Hands[playerId];
+        return hand.GroupBy(t => t).Any(g => g.Count() >= 4 && !MahjongTile.IsWildcard(g.Key));
     }
 
     private bool CanBuKong(MahjongGameState state, string playerId)