feat: add core backend modules, inventory services, and patch scripts for AI Pharmacy API

src/index.ts

@@ -53,6 +53,7 @@ app.use('/v1/inventory', inventoryRouter);
 app.use('/v1/orders', dispensingRouter);
 app.use('/v1/audit', auditRouter);
 app.use('/v1/rx', prescriptionRouter);
+app.use('/v1/prescriptions', prescriptionRouter);
 app.use('/v1/ai', aiRouter);
 app.use('/v1/integration', integrationRouter);
 app.use('/v1/patients', integrationRouter);
@@ -66,7 +67,10 @@ app.get('/health', (req, res) => {
 // Global Error Handler
 app.use(errorHandler);
 
+import { seedAllExistingTenants } from './db/seedTenant';
+
 app.listen(PORT, () => {
   console.log(`Pharmacy Core API listening on port ${PORT}`);
+  seedAllExistingTenants().catch(err => console.error('Error seeding existing tenants on startup:', err));
 });