复制提醒


### Discussed in https://github.com/YiiGuxing/TranslationPlugin/discussions/6413

<div type='discussions-op-text'>

<sup>Originally posted by **Nong-Yi** February  3, 2026</sup>
<img width="602" height="261" alt="image" src="https://github.com/user-attachments/assets/fa266e14-ca4d-457c-a463-2042628b1ce0" />
能不能在点击复制的时候加一个提醒,如提醒'已复制'</div>