OQL — Object Query Layer Go over the actor's fields (non-transient) and, for each collection worth querying, consider how its data maps to a table in a database (an entity ). You only declare one entity per table — the mixin makes them queryable. Backend Each entity carries an authorization level; the default is safe (private to users, still readable by the Data Intelligence agent). Model your entities first, then pick a level per entity — see . Setup Run in the same write batch as your first import. Auto-derivation requires (the generated-app template already satisfies this). Build flags is…