fix(provider): harden Agent Identity OAuth lifecycle

apps/aether-gateway/src/state/catalog.rs

@@ -1465,6 +1465,7 @@ mod tests {
             .compare_and_update_provider_catalog_key_health_state(
                 &aether_data_contracts::repository::provider_catalog::ProviderCatalogKeyHealthStateUpdate {
                     key_id: "key-1".to_string(),
+                    expected_encrypted_auth_config: None,
                     expected_health_by_format: None,
                     expected_circuit_breaker_by_format: None,
                     health_by_format: Some(health_by_format),

apps/aether-gateway/src/state/mod.rs

@@ -38,6 +38,7 @@ pub(crate) use self::cache::{
     PROVIDER_TRANSPORT_SNAPSHOT_CACHE_STALE_TTL, PROVIDER_TRANSPORT_SNAPSHOT_CACHE_TTL,
 };
 pub use self::cors::FrontdoorCorsConfig;
+pub(crate) use self::oauth::AgentIdentityAuthConfigFence;
 pub(crate) use self::types::{
     AdminWalletMutationOutcome, GatewayAdminPaymentCallbackView, GatewayUserPreferenceView,
     GatewayUserSessionView, LocalExecutionRuntimeMissDiagnostic, LocalMutationOutcome,