During June 2025, Markus Korten developed a robust installation procedure for the helmholtz-analytics/heat repository, focusing on environment management and shell scripting. He implemented an activation-aware shell script that checks for successful conda or pip environment activation, ensuring the installation process exits gracefully if activation fails and preventing unintended changes to the base environment. This approach improved installation reliability and reproducibility across both local and CI setups, reducing deployment and onboarding risks. By documenting the new activation and error handling behavior, Markus laid the groundwork for future environment hardening and made ongoing maintenance and user support more straightforward.