Lock-to-first-attacker per event via a BypassUseOwners patch; a step places its base where RaidableBases picks or at an admin-given spot with a height adjustment or exact height; a blocked spot is refused with the reason. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01E14m6SuuY6i1vASFeGDBeY