dshsearch-multi: Multi-engine Web Search and Web Scraping Plugin for DSH

dshsearch-multi is a DSH (DeepSeek Harness) plugin developed by abcdream-Lary, licensed under the MIT License, aiming to provide unified multi-engine web search and content extraction capabilities for agents. The plugin is registered via the standard Provider interface, requiring no modification to the DSH source code, and supports five major engines: AnySearch, Bing, DuckDuckGo, Tavily, and Exa. Notably, the first three do not require an API Key, while the latter two require configured keys; if a search fails, it automatically switches to available engines as a fallback. The plugin also provides `web.fetch` web scraping functionality and deterministic query intent recognition without invoking an LLM. Users can configure it via the DSH Web settings page or `settings.yaml`...