0eaa18c15b
- Added HTML to Markdown conversion functionality via new WASM binding in pi-natives crate with configurable options for content cleaning and image skipping. - Exported htmlToMarkdown async function from @oh-my-pi/pi-natives package with worker pool support for efficient HTML to Markdown conversion. - Integrated native WASM HTML to Markdown converter as the primary conversion method in fetch tool, replacing text-only rendering with markdown output. - Added html-to-markdown-rs dependency to pi-natives crate for server-side HTML to Markdown conversion with preprocessing support. - Added comprehensive test coverage for htmlToMarkdown function including headings, links, lists, code blocks, and conversion options.