feat(武器系统): 重构LGBT武器和彩虹旗召唤物

调整LGBT武器属性计算公式，增加角度和数量参数
为彩虹旗召唤物添加多子弹发射和延迟发射功能
修改子弹追踪逻辑和穿透属性
更新武器描述和能量消耗

scripts/Contents/Bullets/LGBTBullet.gd

@@ -11,7 +11,7 @@ func ai():
 	speed *= 1.05
 	speed = clamp(speed, 0, 20)
 	if is_instance_valid(tracer) and timeLived() < maxTraceTime:
-		PresetBulletAI.trace(self, tracer.getTrackingAnchor(), clamp(speed / 50 * tracePower, 0, 1))
+		PresetBulletAI.trace(self, tracer.getTrackingAnchor(), tracePower)
 	PresetBulletAI.forward(self, rotation)
 func destroy(_b):
 	EffectController.create(ComponentManager.getEffect("LGBTBoom"), position).shot()