feat(武器): 为HXD武器添加命中Boss时攻击速度加成效果

- 修改HXD子弹逻辑，命中Boss时增加5%攻击速度，子弹销毁时恢复
- 更新武器描述文本以反映新效果
- 调整测试环境初始波数为10

scripts/Contents/Bullets/HXD.gd

@@ -4,12 +4,19 @@ class_name HXDBullet
 var bouncedTime: int = 0
 var maxBouncedTime: int = 0
 var lastHit: EntityBase
+var addTimes = 0
+var delta = 0.05
 
 func spawn():
 	texture.play(str(randi_range(0, 2)))
 func ai():
 	PresetBulletAI.forward(self, rotation)
+func destroy(_beacuseMap: bool):
+	launcher.fields[FieldStore.Entity.ATTACK_SPEED] -= addTimes * delta
 func succeedToHit(_dmg: float, entity: EntityBase):
+	if entity.isBoss:
+		launcher.fields[FieldStore.Entity.ATTACK_SPEED] += delta
+		addTimes += 1
 	if is_instance_valid(lastHit):
 		if lastHit.get_class() == entity.get_class():
 			entity.bulletHit(self, true)