We just made BioMedixAI launch-ready: a single platform covering doctors, hospitals, diagnostics, pharmacies, ambulance, OT, ICU/CCU/NICU, blood bank, telemedicine, teleradiology, HR, accounting and more — designed to run in 140 countries at once. That sentence hides a lot of hard architecture decisions. A few we made early: Shared-schema multi-tenancy scoped by facilityId on every query — one codebase, many facilities, isolation enforced at the data layer. Country & facility as first-class conf