002_compare_backups.pl compares pg_dumpall output only — blind to stale VM/FSM bits and index corruption (why the ed62d26 corruption survived). Add pg_amcheck --all, pg_visibility's pg_check_visible()/pg_check_frozen(), and a forced index-only-scan vs seqscan comparison to the restored-cluster checks in 002_compare_backups.pl and 012_vm_consistency.pl.
002_compare_backups.pl compares pg_dumpall output only — blind to stale VM/FSM bits and index corruption (why the ed62d26 corruption survived). Add pg_amcheck --all, pg_visibility's pg_check_visible()/pg_check_frozen(), and a forced index-only-scan vs seqscan comparison to the restored-cluster checks in 002_compare_backups.pl and 012_vm_consistency.pl.