feat: prepare ARR for controlled public deployment

database/001_booking_finance_mvp_schema.down.sql

@@ -0,0 +1,10 @@
+-- DESTRUCTIVE ROLLBACK DRAFT ONLY.
+-- Run only after confirming that the booking and finance schemas contain no data that must be kept.
+-- This file has not been executed.
+
+BEGIN;
+
+DROP SCHEMA finance CASCADE;
+DROP SCHEMA booking CASCADE;
+
+COMMIT;