v0.2.4 - drift --anonymize masks array cardinality Adds an --anonymize flag to bairn drift that replaces "<n=N>" markers with "<n=*>" in shape signatures, so household-side cardinality (number of relations, roles) does not leak into committed baselines. Default stays unchanged; bairn's drift-gate opts in via .gitlab-ci.yml. Posture and conditions of use unchanged: NOTICE.md.