Furniture Service Use-Case Boundaries

Orchestration Responsibilities

Application use cases orchestrate domain workflows.
Use cases depend on DAL-facing ports, not persistence implementations.
Use cases consume BuildingBlock capability contracts through adapter and port boundaries.
Transport handlers map to use-case contracts and do not own orchestration logic.
Demo/runtime aliases (demo-context, FURN-*, PROD-FURN-*) are normalized at use-case orchestration before port calls.

IGetFurnitureAvailabilityUseCase: orchestration boundary contract.
GetFurnitureAvailabilityUseCase: orchestration implementation.
IFurnitureAvailabilityContractAdapter: maps service contracts to inventory and catalog contracts.
ICatalogProductReadPort: catalog capability read boundary.
IFurnitureAvailabilityReadPort: inventory capability read boundary.
IFurnitureAvailabilityGrpcContractAdapter: gRPC translation boundary for service contracts.