feat(BulletBase): 添加子弹运动类型枚举并修改弹反逻辑

为子弹基类添加运动类型枚举(MotionType)，包含四种运动方式。修改Parrier子弹的弹反逻辑，根据子弹运动类型执行不同处理：
- 投射物：保持原有弹反或格挡逻辑
- 挥砍：禁用碰撞箱
- 魔法或召唤：为发射者存储能量

scripts/Statemachine/BulletBase.gd

@@ -1,9 +1,17 @@
 extends Area2D
 class_name BulletBase
 
+enum MotionType {
+	SWING,
+	PROJECTILE,
+	MAGIC,
+	SUMMON
+}
+
 @export var displayName: String = "未知子弹"
 @export var speed: float = 10.0
 @export var baseDamage: float = 10.0
+@export var motionType: MotionType = MotionType.PROJECTILE
 @export var damageMultipliers: Array[float] = [1.0]
 @export var usingDamageMultiplier: int = 0
 @export var penerate: float = 0.0