[verified] fix: wildcard count correction in CheckWin tile count check

根因: CheckWin 开头 tiles.Count != 14 检查未计入 wildcardCount,
导致 12 tiles + 2 wildcards = 14 被误判为手牌不足。

修复: tiles.Count + wildcardCount != 14
同步修正鬼牌_1wildcard补刻子测试用13 tiles + 1 wildcard = 14

测试: 33/33 全部通过

RuleEngine/Patterns/MeldsSolver.cs

@@ -28,7 +28,7 @@ public class MeldsSolver
     {
         var tiles = new List<int>(hand);
         if (newTile.HasValue) tiles.Add(newTile.Value);
-        if (tiles.Count != 14) return new MeldsResult { IsWin = false };
+        if (tiles.Count + wildcardCount != 14) return new MeldsResult { IsWin = false };
 
         tiles.Sort();