Added

• Air dive now flips the player upside down, head pointing at the ground.
• Air dive now plunges straight down with no upward boost and no horizontal drift.
• Air dive now keeps both legs together and both arms in a fixed diving pose.
• Air dive now forces the camera to look straight down the moment it triggers.
• Air dive camera rotation is now limited, so you can glance around but not swing the view too far.
• Air dive head now follows your view within sensible limits, so it no longer twists unnaturally.
• 空中飞扑现在会让玩家头朝下、脚朝上。
• 空中飞扑现在纯竖直下坠，不施加向上初速，也没有水平位移。
• 空中飞扑现在双腿并拢、双臂保持固定俯冲姿势，不再乱晃。
• 空中飞扑触发瞬间会强制视角朝下，更有俯冲感。
• 空中飞扑视角转动受限，可以观察四周但不会转过头。
• 空中飞扑头部跟随视线并有角度限制，不再出现怪异扭曲。

Fixed

• Fixed arm pose data lingering after players leave the server, which slowly ate memory.
• Fixed slide speed sometimes running faster than the server intended.
• Fixed stale slide state packets causing an extra slide after the player had already stopped.
• 修复玩家退出后手臂姿态数据残留、长期占用服务器内存的问题。
• 修复客户端滑铲初速预测偏差时，服务端权威速度无法纠正的问题。
• 修复滑铲状态包乱序导致本地已停止却又滑一下的问题。

Changes

• Slide animation no longer depends on PlayerAnimator; the pose is now built into the mod.
• 滑铲动画不再依赖 PlayerAnimator，姿态已内置在模组中。