Apply DB-05 duplicate-index drop and promo_redeem_failures primary key as migrations

supabase/proposed/20261023060200_drop_duplicate_indexes.sql → supabase/migrations/20261023073000_drop_duplicate_indexes.sql

@@ -1,5 +1,5 @@
--- DB-05 (proposed, destructive): drop indexes that duplicate another index
--- on the same table and column.
+-- DB-05: drop indexes that duplicate another index on the same table and
+-- column. Approved by Adam 23 Oct 2026; moved from supabase/proposed/.
 --
 --   subscriptions      idx_subscriptions_stripe_customer duplicates
 --                      idx_subscriptions_stripe_customer_id (both plain

supabase/proposed/20261023060300_promo_redeem_failures_primary_key.sql → supabase/migrations/20261023073100_promo_redeem_failures_primary_key.sql

@@ -1,4 +1,5 @@
--- DB-05 (proposed): give private.promo_redeem_failures a primary key.
+-- DB-05: give private.promo_redeem_failures a primary key (approved by Adam
+-- 23 Oct 2026; moved from supabase/proposed/).
 --
 -- It is the one table without a primary key. Its natural columns
 -- (user_id, failed_at) can repeat when two failures share a timestamp, so a
@@ -10,5 +11,7 @@
 -- IF NOT EXISTS skips the whole statement, primary key included; check with
 -- `\d private.promo_redeem_failures` first.
 
-ALTER TABLE private.promo_redeem_failures
-  ADD COLUMN IF NOT EXISTS id bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY;
+-- The rewrite and lock are accepted: the table holds a handful of rows
+-- (1 on production on 23 Oct 2026) and only promo redemption writes to it.
+-- squawk-ignore adding-field-with-default,adding-serial-primary-key-field
+ALTER TABLE private.promo_redeem_failures ADD COLUMN IF NOT EXISTS id bigint GENERATED ALWAYS AS IDENTITY PRIMARY KEY;