dsh-status-hub: DeepSeek Harness Browser Status Center

`dsh-status-hub` is a browser-side plugin designed to provide centralized status monitoring for DeepSeek Harness (DSH). Through a sidebar, it displays a comprehensive overview, session list, MCP status, skill directory, and plugin inventory without requiring any additional server processes. Users can install it via a GitHub Release or local development mode by leveraging DSH’s existing Web UI extension point, simplifying the environment debugging workflow.