create index if not exists admin_access_audit_action_occurred_at_idx
  on public.admin_access_audit (action, occurred_at desc);

create index if not exists admin_access_audit_workspace_occurred_at_idx
  on public.admin_access_audit (target_workspace_id, occurred_at desc);

create index if not exists admin_access_audit_actor_email_lower_idx
  on public.admin_access_audit (lower(actor_email));