feat(domain): complete phase 2 backend core

server/auth/domain-actor.ts

@@ -0,0 +1,13 @@
+import "server-only";
+
+import type { DomainActor } from "../domain/actor";
+import type { SessionContext } from "./session";
+
+export function domainActorFromSession(context: SessionContext): DomainActor {
+  return {
+    authUserId: context.user.id,
+    role: context.profile.role,
+    clientId: context.profile.clientId,
+    disabled: context.profile.disabled,
+  };
+}