活动流

Create an activity feed component showing a chronological list of events. Each item includes an actor avatar, an icon indicating the action type, a description line with clickable user and object names, and a relative timestamp. Use shadcn/ui Avatar and Tailwind CSS. Group items by date headers (Today, Yesterday) and add hover states on interactive parts.

创建一个按时间顺序显示事件列表的活动流组件。每个项目包含参与者头像、表示操作类型的图标、带可点击用户和对象名称的描述行以及相对时间戳。使用 shadcn/ui Avatar 和 Tailwind CSS。按日期分组（Today、Yesterday）并为交互部分添加悬停状态。