Key changes:
- sci() and sci_latex() now convert Pint quantities to base units
(fixes 10^2 showing instead of 10^14 for TFLOPs values)
- Add md_frac(), md_sci(), md_math() helpers for LaTeX in Markdown()
- Update ml_systems.qmd with proper LaTeX fraction rendering
- Add freeze: false to _quarto.yml to prevent caching issues
- Update CLAUDE.md with QMD inline Python conventions
- Fix LATEX_ADJACENT issues across multiple QMD files (Unicode symbols)