docs consolidation work

docs/assets/authority/authority-plugin-component.mmd

@@ -19,13 +19,13 @@ flowchart LR
         identity[IIdentityProviderPlugin
 (password & bootstrap flows)]
         store[StandardUserCredentialStore
-(Mongo collections)]
+(PostgreSQL auth schema)]
         capability[Capability Metadata
 (password, bootstrap, clientProvisioning)]
     end
 
     subgraph External["External Systems"]
-        mongo[(MongoDB cluster
+        postgres[(PostgreSQL cluster
 credential + lockout state)]
         audit[(Audit Sink / Event Bus)]
         secrets[Offline Secrets Bundle
@@ -40,7 +40,7 @@ credential + lockout state)]
     registrar --> identity
     identity --> store
     identity --> audit
-    store --> mongo
+    store --> postgres
     options --> secrets
     secrets --> registrar
     api --> identity