feat(hud): 增加右下角拖拽把手，并把拖拽状态从字符串改为引用 - #169
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编辑模式下（打开聊天或 ClickGUI）悬停 HUD 元素时，右下角出现一个把手， 拖动即可缩放。此前只能按住 zoom 键滚滚轮，发现性很差。 设计要点： - 把手尺寸固定 6px，不随组件缩放。否则组件缩到 0.5x 时把手会小到点不中 - 组件小于 18×18 时不显示把手。12×12 的命中区会吞掉小组件的大部分面积， 让人没法再拖动位置 - 缩放按鼠标累计位移计算，而不是按光标到组件原点的距离。右/下锚点的组件 原点本身会随 scale 移动，用距离会反馈进下一帧的增量而跑飞 - 量化到 0.1 步长并钳在 [0.5, 4.5]，与滚轮缩放走同一套边界 dragLock 由 String（存 mod.name）改为 Component 引用 + DragMode(MOVE/RESIZE)： - 每组件每帧一次字符串比较变为引用比较 - 组件在找不到模块时会 fallback 造一个同名的临时 InterfaceModule，两个组件 同名时锁会串 - 「松开鼠标即解锁」原本写在每个组件自己的 display() 里，等于把一个全局事实 重复判断 N 遍，且依赖至少有一个组件在渲染。拖拽途中若所有 HUD 组件恰好都 不可见（比如快捷键关掉了模块），锁就永远留着，之后谁都拖不动。现在上提到 ComponentsManager.draw() 每帧判一次 顺带修正悬停标签的缩放显示：(scale * 10) / 10f 对 float 恒等于 scale， 显示的是 1.2999999x，改为 Math.round(scale * 10) / 10f。 Co-Authored-By: Claude <noreply@anthropic.com>
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拖拽把手
编辑模式下（打开聊天或 ClickGUI）悬停 HUD 元素时，右下角出现一个把手，拖动即可缩放。此前只能「按住 zoom 键 + 滚轮」，没有任何视觉提示，发现性很差。
设计上的几个取舍：
拖 60px 约等于 1x。
dragLock 改引用
ComponentsManager.dragLock由String（存mod.name）改为Component引用 +DragMode{MOVE, RESIZE}：InterfaceModule（Component.java构造器），两个组件同名时锁会串display()里，等于把一个全局事实重复判断 N 遍，且依赖至少有一个组件在渲染。拖拽途中若所有 HUD 组件恰好都不可见（比如快捷键关掉了模块），锁就永远留着，之后谁都拖不动——因为拿锁要求dragLock.isEmpty()。现在上提到ComponentsManager.draw()每帧判一次顺带
悬停标签的缩放显示
(scale * 10) / 10f对 float 恒等于scale，显示的是1.2999999x。改为Math.round(scale * 10) / 10f。依赖说明
把手位置取决于当帧的
width/height，所以依赖 #168 的measure()阶段——否则把手会跟着尺寸变化漂移一帧，拖起来是飘的。同样地，#167 修好了 4 个组件的 scale 失效，否则那几个组件的把手拖了不会有反应。🤖 Generated with Claude Code