Changes

#2872 (4 Dec 2025, 01:40:09)

1. Rename chemistry_data --> chem_data avoid shadowing grackle's 'chemistry_data' struct — Matthieu Schaller / gitlab

#2871 (3 Dec 2025, 05:10:07)

1. Pass the chemistry object back to the hydro chemistry diffusion interactions. — Matthieu Schaller / gitlab