-- Nachklang e.V. Tickets module — records the outcome of the redemption
-- confirmation email on the redemption itself, so the admin UI can flag a
-- failed send and offer a resend. NULL until the post-commit send resolves.
-- Apply manually against TICKETS_DB, after 002_add_require_address.sql:
--   mysql -h <DB_HOST> -u <DB_USER> -p <TICKETS_DB> < 003_add_confirmation_email_status.sql
ALTER TABLE redemptions
    ADD COLUMN confirmation_email_status ENUM('SENT','FAILED') NULL DEFAULT NULL AFTER redeemed_at;