# Furniture Domain Boundary Rules

## Domain Owns
- Availability composition decisions
- Capability aggregation semantics
- Domain invariants

## Service Owns
- Use-case orchestration
- Transport contract adaptation

## DAL Owns
- Persistence/retrieval
- Technical data translation

## BFF Owns
- Edge transport exposure
- Service client adaptation

## Forbidden
- Domain references to DAL/Service/BFF
- Domain runtime wiring concerns