feat(graph): add ergonomic UpdateEntitiesTool for renaming and type changes

server/src/router.rs

@@ -479,6 +479,7 @@ impl MemoryHandler {
 
         register!(graph::QueryGraphPathHandler);
         register!(graph::CreateEntitiesHandler);
+        register!(graph::UpdateEntitiesHandler);
         register!(graph::CreateRelationsHandler);
         register!(graph::AddObservationsHandler);
         register!(graph::DeleteEntitiesHandler);