Migrate from MathJax to KaTeX
Migrate from MathJax to KaTeX for math rendering
- Replaced MathJax CDN with KaTeX (faster, lighter weight)
- Renamed all mathjax references to katex throughout codebase
- Updated JavaScript to use KaTeX auto-render instead of MathJax.Hub
- Created database migration to rename mathjax column to katex
- Updated form handlers, templates, models, and tests
- KaTeX renders client-side from CDN (no Python dependencies)
- Math equations use same syntax:
...for display,...for inline