- Replace pd.read_excel with pd.read_parquet for all three data files
- Derive colnames_mordred from df_desc.columns instead of instantiating
a full mordred Calculator (removes unnecessary mordred import)
- Add qrf_parameters_allT.xlsx -> .parquet to convert_to_parquet.py
- Commit converted qrf_parameters_allT.parquet
Co-Authored-By: Claude Code <noreply@anthropic.com>