PickDone 0.3.1

修复

• 应用内「立刻重启更新」点击后毫无反应：安装前的清场逻辑会沿进程树强杀，而更新器是把安装包作为运行中应用的子进程拉起的，安装器在安装开始前就把自己终止了。现在改为按镜像名精确匹配，仍能覆盖主进程及其 Chromium 子进程，但不会再杀到安装器自己。

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Fixed

• The in-app "restart to update" action silently did nothing: the installer's pre-flight cleanup force-killed the app's whole process tree, but the updater spawns the installer as a child of the running app, so the installer terminated itself before the install ever started. The cleanup now matches by image name only, which still covers the main process and its Chromium helpers but can no longer reach the installer.