Worked on stabilizing the proxy generation workflow in the neos/flow-development-collection repository, focusing on backend development with PHP and object-oriented programming principles. Addressed a critical bug in the ProxyClassBuilder by implementing a targeted fix that prevents a null pointer exception when a parent class is absent during the ProxyBuilding process. This change improved the reliability of proxy generation, reducing the risk of runtime crashes and deployment blockers for downstream modules. The solution was delivered with minimal code changes, adhering to project standards and code review processes, and contributed to a more stable production environment without introducing new user-facing features.