-- One-shot: run in Supabase Dashboard → SQL Editor **before** the updated
-- schemas/rpc_settle_match_reward.sql.
-- Records which sides received participant_cc on settle so winner PATCH retries
-- can return the same cc_awarded_* flags without crediting CC twice.

alter table public.matches
  add column if not exists cc_awarded_red boolean null,
  add column if not exists cc_awarded_blue boolean null;

comment on column public.matches.cc_awarded_red is
  'Whether user_red received participant_cc on settle; null on matches settled before this column existed (treat as true).';
comment on column public.matches.cc_awarded_blue is
  'Whether user_blue received participant_cc on settle; null on matches settled before this column existed (treat as true).';