App freezes for a few seconds when quitting via tray menu

复现步骤 / Step to reproduce

1. Launch the app.
2. Right-click the system tray icon to open the context menu.
3. Click Quit.

预期行为 / Expected behavior

The app closes immediately without delay.

实际行为 / Actual behavior

The app freezes for a few seconds before finally quitting.

应用日志 / App logs

Logs generated during quit GitHub Gist

备注 / Addition details

No response

环境信息 / Environment information

Windows 11, version 25H2 Nyanpasu v2.0.0-alpha+19bd7e61

自查步骤 / Verify steps

• 如果您有足够的时间和能力，并愿意为此提交 PR，请勾上此复选框 / Pull request is welcome. Check this if you want to start a pull request
• 您已知悉如果没有提供正确的系统信息，以及日志，您的 Issue 会直接被关闭 / You have known that if you don't provide correct system information and logs, your issue will be closed directly
• 您已仔细查看并知情 Q&A 和 FAQ 中的内容 / You have read and understood the contents of Q&A and FAQ
• 您已搜索过 Issue Tracker，没有找到类似内容 / I have searched on Issue Tracker, No duplicate or related open issue has been found
• 您确保这个 Issue 只提及一个问题。如果您有多个问题报告，烦请发起多个 Issue / Ensure there is only one bug report in this issue. Please make multiply issue for multiply bugs
• 您确保已使用最新 Pre-release 版本测试，并且该问题在最新 Pre-release 版本中并未解决 / This bug have not solved in latest Pre-release version