renewal-unlock: orders.renews_at lazy expiry + owner unlock notices (ntfy/sms channels, exempt from metering) — verified

db/schema.sql

@@ -90,3 +90,6 @@ CREATE TABLE IF NOT EXISTS url_shortened (
 -- Phase 5.5 quick wins: customer pause + order amounts (idempotent).
 ALTER TABLE users ADD COLUMN IF NOT EXISTS paused BOOLEAN NOT NULL DEFAULT FALSE;
 ALTER TABLE orders ADD COLUMN IF NOT EXISTS amount NUMERIC(10,2) NOT NULL DEFAULT 0;
+
+-- Renewal tracking (lazy expiry): paid orders past renews_at are treated lapsed.
+ALTER TABLE orders ADD COLUMN IF NOT EXISTS renews_at TIMESTAMPTZ;