DeepSeek Harness Plugin dsh-wen: A Zero-Dependency Office Suite

`dsh-wen` is a zero-third-party-dependency DSH Office suite plugin designed to ensure stable operation. It registers four global tools that support reading, writing, editing, conversion, and batch processing for multiple formats such as docx, xlsx, pptx, and pdf. The plugin has built-in self-healing for garbled text in Chinese PDFs and offline OCR capabilities, using the RapidOCR engine on Windows to provide high-quality rendering. Once installed, it requires no configuration and can be used across all sessions, offering a local and secure solution for processing scanned documents and complex files.