DeepSeek Harness Plugin: dsh-hypercompact

`dsh-hypercompact` is an open-source plugin for DeepSeek Harness (DSH) designed to address context-limit or transmission-failure issues in long sessions caused by retransmitting the full history with every request. It provides deterministic, zero-LLM-cost, byte-level context compression by locally compressing older history in milliseconds and supports exact verbatim restoration, ensuring a reasonable request body size without information loss. This article details its core features, installation steps (adding the package, creating a preset, and restarting to enable it), and compatibility requirements (DSH `>=0.1.5-rc.2` and `<0.3.0`, Node.js `^22.19.0` or `>=24.0.0`).