- Replace Semi UI's MarkdownRender with react-markdown library for better performance and features
- Add comprehensive markdown rendering support including:
* Math formulas with KaTeX
* Code syntax highlighting with rehype-highlight
* Mermaid diagrams support
* GitHub Flavored Markdown (tables, task lists, etc.)
* HTML preview for code blocks
* Media file support (audio/video)
- Create new MarkdownRenderer component with enhanced features:
* Copy code button with hover effects
* Code folding for long code blocks
* Responsive design for mobile devices
- Add white text styling for user messages to improve readability on blue backgrounds
- Update all components using markdown rendering:
* MessageContent.js - playground chat messages
* About/index.js - about page content
* Home/index.js - home page content
* NoticeModal.js - system notice modal
* OtherSetting.js - settings page
- Install new dependencies: react-markdown, remark-math, remark-breaks, remark-gfm,
rehype-katex, rehype-highlight, katex, mermaid, use-debounce, clsx
- Add comprehensive CSS styles in markdown.css for better theming and user experience
- Remove unused imports and optimize component imports
Breaking changes: None - maintains backward compatibility with existing markdown content
