refactor(武器系统): 重构弓箭和七魂武器逻辑及数值

调整弓箭武器的旋转偏移逻辑，将偏移计算从spawn函数移到Arrow类
修改七魂武器的属性和描述，增加治疗效果和能量转换功能
更新游戏难度范围和默认值，调整实体生命值计算方式
移除Rooster角色中的LGBT和HJM武器，替换为SevenSoul武器

scripts/Contents/Bullets/Arrow.gd

@@ -5,6 +5,7 @@ class_name Arrow
 
 var atk: float = 0
 var waitTime: float = 0
+var offsetRotation: float = 0
 
 func register():
 	trail.emitting = false
@@ -12,7 +13,7 @@ func register():
 func ai():
 	if timeLived() < waitTime:
 		PresetBulletAI.lockLauncher(self, launcher, true)
-		rotation = position.angle_to_point(get_global_mouse_position())
+		rotation = position.angle_to_point(get_global_mouse_position()) + offsetRotation
 		return
 	else:
 		trail.emitting = true

scripts/Contents/Bullets/Bow.gd

@@ -12,11 +12,12 @@ func spawn():
 			ComponentManager.getBullet("Arrow"),
 			launcher,
 			position,
-			startAngle + deg_to_rad(c * 10.0)
+			startAngle
 		):
 			var bullet: Arrow = i
 			bullet.atk = atk
 			bullet.waitTime = waitTime
+			bullet.offsetRotation = deg_to_rad(c * 10.0)
 	await TickTool.millseconds(waitTime)
 	tryDestroy()
 func ai():