Philippe Merle standardized metadata labeling for NetworkPolicy resources across all components of the argoproj/argo-cd repository. He implemented a unified labeling approach using YAML, applying consistent labels to controllers and services such as application-controller, applicationset-controller, commit-server, dex-server, redis, and repo-server. Leveraging his expertise in DevOps and Kubernetes, Philippe’s work enabled more reliable policy governance and streamlined auditing processes. By reducing manual labeling and minimizing configuration drift, he improved both security posture and operational efficiency. The depth of this contribution lies in its comprehensive coverage and automation readiness, addressing a core need for consistency in network policy management.