Priyadharsini Nirav developed a cross-platform virtual environment activation system for the codeforboston/home-energy-analysis-tool repository, focusing on improving developer onboarding and runtime consistency. Using shell scripting and cross-platform development skills, Priyadharsini implemented OS-specific activation logic that detects the operating system and sources the appropriate activation script, ensuring seamless setup across Windows, macOS, and Linux. The work involved removing the Windows .bat activation path and updating the shell script to handle all supported platforms. This feature enhanced the developer experience and improved CI reliability by standardizing environment activation, though the scope was limited to a single feature without bug fixes during the period.