- Support JWT OIDC Authentik via jose + JWKS (cache 10min)
- Lookup Personne via PersonneRepo.findByEmail + cache Redis 60s
- Mapping groups Authentik + roles formation-hub vers scopes
- Mode OIDC active uniquement si AUTHENTIK_ISSUER + JWKS_URI + AUDIENCE set
- Service tokens brg_* inchanges, restent voie principale en local