During January 2025, Sam Fitzgerald enhanced session management in the chanzuckerberg/happy repository by introducing a cookie_samesite option for the happy_sticky_session cookie across multiple Terraform modules. This feature, implemented using Infrastructure as Code principles and HCL, allowed teams to control the SameSite attribute for cookies, improving security against CSRF attacks and ensuring consistent session behavior in diverse deployment environments. Sam’s work focused on cross-module compatibility and incremental feature delivery, demonstrating a strong grasp of Terraform and security best practices. While the scope was limited to a single feature, the change addressed a nuanced security need in multi-module IaC deployments.