dsh-web-access: Web Access and Multi-Source Scraping Plugin for DeepSeek Harness

`dsh-web-access` is a plugin-based web access layer for DeepSeek Harness (DSH), designed to provide agents with secure and flexible internet access. It supports multi-provider search fallback, multi-format content retrieval (such as GitHub, PDFs, and videos), and source verification. After installation, it automatically overrides the official web search and retrieval features. The plugin reads multi-level configuration files, supports zero-configuration use of backends such as Exa and DuckDuckGo, and ensures security through SSRF protection. It is suitable for developers who need to enhance DSH's internet access capabilities and requires Node.js 20+.