During March 2025, Antoine Dijoux developed a key feature for the jeffreydgomez/warhammer_fantasy_universalis repository, focusing on Dwarf Missions by implementing permanent region claims. He replaced the existing add_claim logic with add_permanent_claim across several regions, ensuring that claims persist reliably throughout game sessions. This work required careful game configuration and precise data modeling to maintain consistency and stability in mission outcomes. Although no major bugs were addressed, Antoine maintained related modules and improved overall game state reliability. His disciplined use of version control and targeted refactoring demonstrated a thoughtful approach to durable feature delivery using text-based configuration languages.