[功能请求] 短时间收到大量消息时自动开启免打扰

### QQ(TIM)版本/QQ(TIM) Version

8.9.10.9145

### 为什么你认为需要此功能

经常在做其他事时收到恶意打扰，被疯狂刷屏

### 联系到哪些已经存在的bug或者功能

_No response_

### 具体功能需要/Specific features require

短时间检测到收到大量消息自动开启消息免打扰

The issue names no files, tests, or entry points. First locate the message-receipt and notification handling areas, then clarify what counts as “a large number” and the time window; done means that exceeding the agreed threshold automatically enables message Do Not Disturb.

Written by the indexing model from the issue text.