调整 LightGame 平台碰撞与门尺寸，修复测试编译

- LightPlatform / ShadowPlatform：移除单向板碰撞逻辑，改为完整 tile 碰撞体
- Door：碰撞箱从 32x64 改为 32x32，与单 tile 素材匹配
- 修复 game_engine_tests 编译：补全 LevelData 初始化字段，增加缺失的 include path

src/Apps/LightGame/src/engine/LevelLoader.cpp

@@ -84,7 +84,7 @@ namespace LightGame
 
 			case GameObjectType::Door:
 				obj.collider = RenderData::BoundingBox2D(
-					Math::Vector2Int(0, 0), Math::Vector2Int(ts, ts * 2));
+					Math::Vector2Int(0, 0), Math::Vector2Int(ts, ts));
 				obj.solid = true;
 				obj.light_threshold = LightThreshold(spawn.light_min, spawn.light_max);
 				obj.sprite = &spr_door_closed;

src/Apps/LightGame/src/engine/Physics2D.cpp

@@ -143,9 +143,6 @@ namespace LightGame
 				continue;
 			}
 
-			const bool is_one_way = (other.type == GameObjectType::LightPlatform ||
-									  other.type == GameObjectType::ShadowPlatform);
-
 			const RenderData::BoundingBox2D other_world = other.get_world_collider();
 			world_collider = obj.get_world_collider();
 
@@ -154,21 +151,6 @@ namespace LightGame
 				continue;
 			}
 
-			if (is_one_way)
-			{
-				const int32_t obj_bottom = world_collider.max.y;
-				const int32_t other_top = other_world.min.y;
-				const int32_t prev_bottom = obj_bottom - move_y;
-
-				if (prev_bottom > other_top || obj.velocity.y <= 0)
-				{
-					continue;
-				}
-
-				obj.position.y = other_top - (obj.collider.max.y - obj.collider.min.y);
-				obj.velocity.y = 0;
-			}
-			else
 			{
 				const int32_t overlap_left = world_collider.max.x - other_world.min.x;
 				const int32_t overlap_right = other_world.max.x - world_collider.min.x;