refactor: unify interactable components

_Core/interactions/InteractionAction.gd

@@ -0,0 +1,20 @@
+class_name InteractionAction
+extends RefCounted
+
+# 交互管理器使用的强类型动作数据，避免各交互物品以 Dictionary 约定字段。
+var id: String = ""
+var title: String = ""
+var priority: int = 100
+var distance: float = INF
+var activate: Callable = Callable()
+
+static func create(action_id: String, action_title: String, action_priority: int, callback: Callable) -> InteractionAction:
+	var action: InteractionAction = InteractionAction.new()
+	action.id = action_id
+	action.title = action_title
+	action.priority = action_priority
+	action.activate = callback
+	return action
+
+func is_valid() -> bool:
+	return not id.strip_edges().is_empty() and not title.strip_edges().is_empty() and activate.is_valid()