Pin Agent Runtime to the Top Bar of DeepSeek Harness Session with dsh-hud

### 翻译结果： DSH-HUD is a read-only runtime observation plugin for DeepSeek Harness Web UI, maintained by zexuanw958-svg and licensed under MIT. It integrates model routing, context pressure, Token metrics, latency, background jobs and sub-Agents into the session top bar. Its data comes from existing snapshot/projection, with no polling or prompt occupation. This article checks against the directory page and GitHub repository, explaining the installation commands, interface fields, Web profile restrictions and differences between identically named repositories.