[Feature]: 快捷助手小窗口关闭后自动清除文本内容

[SapientSi]

Issue Checklist

• I understand that issues are for reporting problems and requesting features, not for off-topic comments, and I will provide as much detail as possible to help resolve the issue.
• I have checked the pinned issues and searched through the existing open issues and closed issues and did not find a similar suggestion.
• I have provided a short and descriptive title so that developers can quickly understand the issue when browsing the issue list, rather than vague titles like "A suggestion" or "Stuck."
• The latest version of Cherry Studio does not include the feature I am suggesting.

Platform

Windows

Version

v0.9.27

Is your feature request related to an existing issue?

目前，快捷助手小窗口在每次打开时都会显示上一次使用的文本内容。这在连续使用快捷助手处理不同任务时，需要手动删除之前的文本，增加了操作步骤，影响了使用体验。

Desired Solution

建议在快捷助手小窗口关闭时，自动清除其中的文本内容。这样，当用户下次通过快捷键打开小窗口时，它将直接显示为空白状态，允许用户立即输入新的文本，而无需手动清除操作。

Alternative Solutions

No response

Additional Information

No response

[kangfenmao]

点击 ⬅️ Backspace 按键直接清除

[SapientSi]

我知道清除文本的快捷键，所以我每次翻译文本都是按快捷键打开小窗，然后用快捷键清除，然后再点击翻译，所以我每次翻译都需要好几个步骤特别麻烦，所以我现在干脆直接把快捷助手又关掉了，因为特别不快捷> 点击 ⬅️ Backspace 按键直接清除

[ousugo]

需求合并 #2030