dsh-argon: A Pure Node.js Model Inference Plugin with No Network Dependencies

The DeepSeek Harness (DSH) plugin `dsh-argon` is designed to meet model inference requirements in offline environments. Built entirely on Node.js without any external network dependencies, it is lightweight. Installation requires `@deepseek-ai/cordis` ^4.0.1 and `@deepseek-ai/dsh-tools` >=0.1.0-rc.6. It is suitable for fully offline deployments, restricted intranet environments, or scenarios requiring source code auditing, and is released under the MIT license.