Spec 12 S4: the login form checks the SelfPhoneNG password first, then the directory (ldapts,
service-account search, the user's own bind on a second connection). Presets for lldap, AD,
FreeIPA and OpenLDAP; Test with an optional test login. A directory account connects by email,
never makes a user; adminFilter sets the role (applyRole shared with OpenID). One Disconnect
route per kind (oidc, ldap). Live test against lldap 0.6.3 over LDAPS.
iamdoubz
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