Developed an access-control feature for the Argo Platform within the platform-mesh/helm-charts repository, focusing on securing and streamlining application management and patching workflows. Addressed a permissions gap that previously prevented Argo from applying patches automatically, thereby enhancing automation and reducing manual intervention. The solution involved updating Helm charts and implementing access controls using YAML, ensuring that deployment changes were accurately reflected and chart integrity was maintained. This work improved the security and compliance posture of platform-mesh deployments by enabling reliable, automated patch workflows. The approach demonstrated practical application of DevOps principles, Kubernetes orchestration, and Helm chart governance in a production environment.