Implement a tag list in the notification category to facilitate quick filtering of tags of interest.

实现在通知类别增加一个标签列表，方便快速筛选自己感兴趣的标签

Clear and concise description of the problem

一般通知类别由于有一些热门条目，不到一两天可能就有一两千条未读消息，但里面可能只有一部分是想看的，其余的可以直接标记为已读

Suggested solution

如果能自动通过标题和摘要，提取关键词，找到高频或者热门的标签，通过选择标签，能更快地筛选出自己感兴趣的条目。

Alternative

No response

Additional context

一些观察：

1. 目前 Folo 是通过窗口获取前面 15 条左右的未读消息，不能一次性获取所有的未读消息
2. 由于是多端项目，中英文分词需要使用 jieba wasm 库进行处理

Validations

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Start by locating the notification category and the code that fetches the first roughly 15 unread items. Review how titles and summaries are available for keyword extraction, including the proposed jieba WASM path for Chinese and English. Done means a tag list is shown, selecting tags filters the relevant notifications, and users can identify items to mark as read.