DeepSeek Harness developer preview

DeepSeek Harness (dsh), an open-source agent harness from DeepSeek AI, is now available in developer preview. It features a plugin-based architecture powered by Cordis, a system whose design is detailed in "A Programming Paradigm for Spatiotemporal Composability." Users should anticipate rapid iteration and compatibility-breaking changes during this preview phase. A Discord community is available for engagement.