Improve the demo feature of the project

services/orders/app/main.py

@@ -14,6 +14,7 @@ from app.api.orders import router as orders_router
 from app.api.customers import router as customers_router
 from app.api.order_operations import router as order_operations_router
 from app.api.procurement_operations import router as procurement_operations_router
+from app.api import internal_demo
 from app.services.procurement_scheduler_service import ProcurementSchedulerService
 from shared.service_base import StandardFastAPIService
 
@@ -98,13 +99,18 @@ service.setup_standard_endpoints()
 
 # Include routers - organized by ATOMIC and BUSINESS operations
 # ATOMIC: Direct CRUD operations
-service.add_router(orders_router)
+# NOTE: Register customers_router BEFORE orders_router to ensure /customers
+# matches before the parameterized /{order_id} route
 service.add_router(customers_router)
+service.add_router(orders_router)
 
 # BUSINESS: Complex operations and workflows
 service.add_router(order_operations_router)
 service.add_router(procurement_operations_router)
 
+# INTERNAL: Service-to-service endpoints
+service.add_router(internal_demo.router)
+
 
 @app.post("/test/procurement-scheduler")
 async def test_procurement_scheduler():