Cascade + acteurs_plus source-of-truth audit caught the original
ADR-0026 draft pinning Etablissement.finess as PK while >=30% of
APF's real structure inventory has no FINESS (antennes, dispositifs,
entreprises adaptees, mouvement, administratif, siege).
Narrow ADR-0026 to identity only (Person + User + UserScope). Drop
Person.email unique (two distinct humans can share an email) and
drop email-based dedup from the v1 provisioner lifecycle - entraOid
is the only natural key trusted in v1.
New ADR-0027 owns the organisational hierarchy: cascade-aligned
Structure with kind discriminator + nullable FINESS / SIRET /
codePaie + internal code PK that doubles as FINESS for medico-social
structures. Pole / Service / arbitrary nesting / per-source
enrichment deferred to ADR-0028 (sync), renumbered from the prior
ADR-0027 placeholder.
Both ADRs stay proposed pending review.
Julien Gautier