Replication package: Climate Constraints and Indoor Training Environment Proxies in Youth Hockey Development: Evidence from Russia and China

This record contains the replication package for “Climate Constraints and Indoor Training Environment Proxies in Youth Hockey Development: Evidence from Russia and China”. It includes harmonized analysis inputs (Russia and China), reproducibility scripts for estimations/robustness/figures, and frozen result artifacts referenced in the manuscript. The package is organized into data/, scripts/, results/, and reproducibility/ (with an ordered runbook). It is intended to enable independent reproduction of the paper’s tables, figures, and core quantitative claims.