create table if not exists protocol_events (
  id bigserial primary key,
  event text not null,
  session_id text,
  category text,
  pep_count int,
  dose numeric,
  unit text,
  template_src text,
  created_at timestamptz default now() not null
);
create index on protocol_events (created_at desc);
create index on protocol_events (event, created_at desc);
alter table protocol_events enable row level security;
create policy "pt_events_insert" on protocol_events for insert to anon, authenticated with check (true);
create policy "pt_events_select" on protocol_events for select to authenticated using (true);