CREATE TABLE IF NOT EXISTS public.simulations (
  id                uuid         PRIMARY KEY DEFAULT gen_random_uuid(),
  process_id        uuid         NOT NULL REFERENCES public.processes(id) ON DELETE CASCADE,
  executed_at       bigint       NOT NULL,
  result            jsonb        NOT NULL,
  result_automated  jsonb,
  created_at        timestamptz  NOT NULL DEFAULT now()
);

CREATE INDEX IF NOT EXISTS simulations_process_executed_idx
  ON public.simulations(process_id, executed_at DESC);

ALTER TABLE public.simulations ENABLE ROW LEVEL SECURITY;

CREATE POLICY "all_simulations" ON public.simulations
  FOR ALL USING (auth.uid() IS NOT NULL)
  WITH CHECK (auth.uid() IS NOT NULL);