soryu/makima/migrations/20260204000000_checkpoint_validation.sql, branch makima/contract-management-phase3

soryu/makima/migrations/20260204000000_checkpoint_validation.sql, branch makima/contract-management-phase3 soryu-co/soryu mirror http://src.eirin.xyz/soryu/atom?h=makima%2Fcontract-management-phase3