Changes

#2383 (4 Dec 2025, 01:21:09)

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

#2382 (3 Dec 2025, 05:21:07)

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