CREATE TABLE IF NOT EXISTS public.resources (
  id             uuid         PRIMARY KEY DEFAULT gen_random_uuid(),
  name           text         NOT NULL,
  type           text         NOT NULL CHECK (type IN ('role','person','system','equipment','supply')),
  cost_per_hour  numeric      NOT NULL DEFAULT 0,
  created_by     uuid         REFERENCES public.users(id),
  updated_by     uuid         REFERENCES public.users(id),
  created_at     timestamptz  NOT NULL DEFAULT now(),
  updated_at     timestamptz  NOT NULL DEFAULT now()
);

ALTER TABLE public.resources ENABLE ROW LEVEL SECURITY;

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