Walker focused on enhancing security and maintainability in the tryretool/retool-helm repository by developing a feature that allows explicit control over service account token automounting in Kubernetes deployments. Using Helm and YAML, Walker introduced a configurable option in values.yaml to disable automounting of service account tokens, which was then enforced in the serviceaccount.yaml template. This approach reduced default token exposure and aligned with least-privilege principles, enabling policy-driven automation for safer runtime environments. The work demonstrated a clear understanding of Kubernetes security practices and delivered a targeted, well-integrated solution, though it was limited in scope to a single feature enhancement.