Compose buildings from definitions and capabilities

BuildingField.gd

@@ -50,7 +50,7 @@ func get_building_fleet_is_on() -> Node2D:
 func _spawn(record: Dictionary) -> void:
 	var b: Node2D = building_scene.instantiate()
 	b.position = record.position
-	b.building_type = record.type
+	b.definition_id = record.type
 	b.building_id = int(record.get("id", 0))
 	# Deferred for the same reason as the other field spawners: this can run
 	# from inside a parent's _ready() chain, where a direct add_child() is