iter41-卡1：核心数据面结构收敛批：85键全清——三族拆域＋config_db归位容器＋存档拆件＋meta瘦身＋adventure拆段＋spawn束化；行为零变化，8新件在阈

game/tests/unit/presentation/terrain_tile_sets_test.gd

@@ -27,7 +27,7 @@ func _init() -> void:
 		return
 	# board_type 词表自 board_gen 行集推导（禁测试侧写死词表）
 	var types: Array = []
-	for row in db.board_gen.rows:
+	for row in db.combat.board_gen.rows:
 		var bt := String(row.get("board_type", ""))
 		if bt != "" and not types.has(bt):
 			types.append(bt)