diff --git a/RuleEngine.Tests/MahjongRoomIntegrationTests.cs b/RuleEngine.Tests/MahjongRoomIntegrationTests.cs
index 18176b9..b26c72f 100644
--- a/RuleEngine.Tests/MahjongRoomIntegrationTests.cs
+++ b/RuleEngine.Tests/MahjongRoomIntegrationTests.cs
@@ -55,9 +55,8 @@ public class MahjongRoomIntegrationTests
         room.Deal();
 
         int totalTiles = room.State.Hands.Sum(h => h.Value.Count) + room.State.Deck.Count;
-        // NOTE: UnderscoredNamingConvention doesn't map includeHonors/WildcardCount
-        // So deck uses defaults (108 numbered). Known issue — fix when switching naming policy.
-        Assert.Equal(108, totalTiles);
+        // 136 tiles + 4 wildcards = 140
+        Assert.Equal(140, totalTiles);
     }
 
     // === Turn flow ===
diff --git a/dsl-examples/guangdong_jipinghu.yaml b/dsl-examples/guangdong_jipinghu.yaml
index ce85d9a..ac303a8 100644
--- a/dsl-examples/guangdong_jipinghu.yaml
+++ b/dsl-examples/guangdong_jipinghu.yaml
@@ -15,8 +15,8 @@ requires:
 
 deck:
   generator: mahjong
-  includeHonors: true
-  includeFlowers: true
+  include_honors: true
+  include_flowers: true
   total: 136
 
 deal:
diff --git a/dsl-examples/guobiao.yaml b/dsl-examples/guobiao.yaml
index 84866e4..a97ee89 100644
--- a/dsl-examples/guobiao.yaml
+++ b/dsl-examples/guobiao.yaml
@@ -18,8 +18,8 @@ requires:
 
 deck:
   generator: mahjong
-  includeHonors: true
-  includeFlowers: true
+  include_honors: true
+  include_flowers: true
   total: 144
 
 deal:
diff --git a/dsl-examples/wuhan.yaml b/dsl-examples/wuhan.yaml
index 6998e7a..077caff 100644
--- a/dsl-examples/wuhan.yaml
+++ b/dsl-examples/wuhan.yaml
@@ -15,10 +15,10 @@ requires:
 
 deck:
   generator: mahjong
-  includeHonors: true
-  includeFlowers: false
-  wildcardTile: 红中
-  wildcardCount: 4
+  include_honors: true
+  include_flowers: false
+  wildcard_tile: 红中
+  wildcard_count: 4
   total: 136
 
 deal:
diff --git a/dsl-examples/xuezhandaodi.yaml b/dsl-examples/xuezhandaodi.yaml
index cf29735..03ff34f 100644
--- a/dsl-examples/xuezhandaodi.yaml
+++ b/dsl-examples/xuezhandaodi.yaml
@@ -15,8 +15,8 @@ requires:
 
 deck:
   generator: mahjong
-  includeHonors: false
-  includeFlowers: false
+  include_honors: false
+  include_flowers: false
   total: 108
 
 deal: