dsh-wsl-notify: Notify Task Status in WSL via Windows Popup Notifications

dsh-wsl-notify is a Windows notification plugin for DeepSeek Harness that displays a prompt on the Windows side after a WSL task completes. It supports native message boxes and system tray bubbles, and allows customizing the title, content, and timeout. Parameters must be configured after installation; note that MessageBox mode blocks the process, and message content should not contain sensitive information.