DSH-Balance-Float: A Floating Window Plugin for DSH Web Balance and One-Click Exit

`dsh-balance-float` is a web plugin for DSH, designed to embody the philosophy of "everything is a plugin," enabling users to manage their DeepSeek account without leaving the page. The plugin provides a floating window in the upper-right corner of the DSH web interface, displaying real-time account balance, top-up, and grant details, with support for automatic refresh every 60 seconds or manual refresh. Users can trigger a graceful exit via an interface button, closing the local DSH service and the `127.0.0.1:3080` webpage after confirmation. Prerequisites include installing DeepSeek Harness CLI, Node.js 18+, and configuring an API Key. The installation command is `dsh plugin --profile web add dsh-balance-float`, and the installation