Update referral points pricing

scripts/supabase/referral_points_rewards_20260530.sql

@@ -0,0 +1,57 @@
+-- PolyWeather balanced referral points program.
+-- Run once before deploying referral point rewards.
+
+alter table public.referral_rewards
+  add column if not exists reward_points integer not null default 0;
+
+alter table public.referral_rewards
+  alter column reward_days set default 0;
+
+alter table public.referral_rewards
+  drop constraint if exists referral_rewards_reward_days_check;
+
+alter table public.referral_rewards
+  add constraint referral_rewards_reward_days_check
+  check (reward_days >= 0 and reward_days <= 30);
+
+alter table public.referral_rewards
+  drop constraint if exists referral_rewards_reward_points_check;
+
+alter table public.referral_rewards
+  add constraint referral_rewards_reward_points_check
+  check (reward_points >= 0 and reward_points <= 100000);
+
+create index if not exists idx_referral_rewards_referrer_month_points
+  on public.referral_rewards(referrer_user_id, created_at desc)
+  include (id, reward_points);
+
+create table if not exists public.points_ledger (
+  id bigserial primary key,
+  user_id uuid not null references auth.users(id) on delete cascade,
+  delta integer not null check (delta <> 0),
+  source text not null,
+  reason text not null,
+  payment_intent_id text,
+  referral_attribution_id bigint references public.referral_attributions(id) on delete set null,
+  metadata jsonb not null default '{}'::jsonb,
+  created_at timestamptz not null default now()
+);
+
+create index if not exists idx_points_ledger_user_created
+  on public.points_ledger(user_id, created_at desc);
+
+create index if not exists idx_points_ledger_referral
+  on public.points_ledger(referral_attribution_id)
+  where referral_attribution_id is not null;
+
+alter table public.points_ledger enable row level security;
+
+drop policy if exists points_ledger_select_own on public.points_ledger;
+create policy points_ledger_select_own
+  on public.points_ledger
+  for select
+  to authenticated
+  using (auth.uid() = user_id);
+
+analyze public.referral_rewards;
+analyze public.points_ledger;