Custom Attributes

First release: in-game attribute screen, server-side range configuration and the range expression parser.

• Keybind K and /customattributes to open the screen
• Slider, exact value input and per-attribute reset
• Whitelist / blacklist modes with 20 preset attributes
• Range expressions with current, base, default, min, max, inf and arithmetic
• Out-of-range values are clamped by the server on every sync tick

首个发布版本：属性调整界面、服务端范围配置与范围表达式解析器。

• 按键 K 或 /customattributes 打开界面
• 滑块、精确数值输入与逐项重置
• 白名单 / 黑名单模式，预置 20 个常见属性
• 范围表达式支持 current、base、default、min、max、inf 与四则运算
• 越界数值由服务端每个同步间隔夹回区间