Customer master moved to pms_schema with CRUD API; Arsi/Conexus integration deferred per 2026-05-21 call.
m_customer entity under src/entity/pms/; removed src/entity/conexus/.GET / POST /api/v1/customers; project create/update resolves inline customer.uq_m_customer_code; migration script/migrations/20260522100000_m_customer_unique_code.sql.No Arsi API; new PMS prospects are often net-new companies vs Conexus transactional catalog.
npm run db:migrate on existing DBs after deploy.