fix: human模式手牌/反应显示精牌🀫标记

3处ToString调用补WildcardRegistry参数:
- HumanMahjongPlayer: 手牌列表+摸牌显示
- MahjongRoom: 反应提示时的手牌显示

修复前: 精牌显示为普通牌名(1筒)
修复后: 精牌显示为 🀫1筒(带🀫前缀)

RuleEngine/AI/HumanMahjongPlayer.cs

@@ -72,12 +72,12 @@ public class HumanMahjongPlayer
             }
 
             if (drawnTile.HasValue && drawnIdx >= 0)
-                Console.WriteLine($"  🀫 刚刚摸到: {MahjongTile.ToString(drawnTile.Value)}");
+                Console.WriteLine($"  🀫 刚刚摸到: {MahjongTile.ToString(drawnTile.Value, state.Wildcards)}");
             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], state.Wildcards)}{(isDrawn ? " ← 新摸" : "")}");
             }
             Console.WriteLine();