OidcLogoutReconciler derives pending logouts from valid OpenIddict authorizations x
membership, POSTs one signed logout token per non-Active subject to MAS, and revokes
the authorizations only after a 2xx. Registered only when
Bifrost:Oidc:Clients:Mas:BackchannelLogoutUri is set. The active-member reading is
the endpoints' existing one, now shared.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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