Purchase (aggregate root) and PurchaseItem per AGENTS.md §5.6. AddItem composition + tightened PurchaseItem ctor deferred to CW-STORY-05.4, mirroring the CW-STORY-03.1/03.3 split. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Powered by TurnKey Linux.