DeepSeek Harness Plugin: Jetformat Local Document Processing

`jetformat/dsh-plugin` is a local plugin for DeepSeek Harness that securely processes Office documents by invoking the Jetformat CLI. It supports Word, Excel, and PPT-to-PDF conversion, text extraction, PDF merging, and PDF viewing, without uploading files to a server. To install it, you must first configure the CLI and add the plugin via npm. It is compatible with DSH 0.1.5-rc.3 and requires an internet connection for login and billing, making it suitable for developers who need to process documents locally.