refactor(武器系统): 调整水晶武器伤害计算和子弹行为

重构蓝水晶和紫水晶武器的伤害计算方式，将蓝水晶的基础伤害从3降至2
移除紫水晶子弹的分裂和折射功能，将其逻辑移至BulletBase基类
更新相关场景文件中的显示文本和配置参数
调整角色初始武器配置，移除无用音效资源

scripts/Contents/Bullets/PurpleCrystal.gd

@@ -6,21 +6,3 @@ func destroy(_beacuseMap: bool):
 	var eff = EffectController.create(ComponentManager.getEffect("PurpleCrystalExplosion"), global_position)
 	eff.rotation = rotation
 	eff.shot()
-func split(index, total, _last):
-	BulletBase.generate(
-		ComponentManager.getBullet("PurpleCrystal"),
-		launcher,
-		position,
-		rotation + deg_to_rad(360 / total * index),
-		true,
-		isChildRefract
-	)
-func refract(entity, _index, _total, _last):
-	BulletBase.generate(
-		ComponentManager.getBullet("PurpleCrystal"),
-		launcher,
-		position,
-		position.angle_to_point(entity.position) if is_instance_valid(entity) else randf_range(0, deg_to_rad(360)),
-		isChildSplit,
-		true
-	)

scripts/Contents/Weapons/BlueCrystal.gd

@@ -2,7 +2,7 @@
 extends Weapon
 
 func update(to: int, origin: Dictionary, _entity: EntityBase):
-	origin["atk"] += 1 * to * soulLevel
+	origin["atk"] += 2 * to * soulLevel
 	origin["count"] = 1 + 1 * soulLevel
 	return origin
 func attack(entity: EntityBase):
@@ -15,3 +15,4 @@ func attack(entity: EntityBase):
 					if j is Diamond2Bullet:
 						j.baseDamage = readStore("atk")
 						j.parent = i
+	return true