287a0e2556
- Install marked, marked-highlight, marked-gfm-heading-id, sanitize-html - Create markdown utility with GFM support (tables, task lists, strikethrough) - Add code syntax highlighting with highlight.js - Implement XSS sanitization for security - Update knowledge service to use markdown renderer - Add comprehensive test suite (34 tests, all passing) - Generate IDs for headers for deep linking - Cache rendered HTML in database for performance