metadata/ARTIFACT_PLAN.md

Dataset Artifact Plan

Candidate contents:

• frozen RRUFF-473 benchmark files
• frozen RRUFF-325 benchmark files
• benchmark ID lists / checksums
• reviewer subset matching the GitHub reviewer docs
• compact aggregate extinction-group prior used for calibration
• dataset card text

Candidate exclusions:

• files already kept only for the PRX archival release
• large unrelated training corpora
• raw ICSD structures, raw diffraction records, and per-structure synthetic training records
• private intermediate curation outputs