Decisions
| ID | Status | Date | Title | Supersedes |
|---|---|---|---|---|
| 0001 | Accepted | 2026-01 | Single SaleOrder entity for cart and committed order | - |
| 0002 | Accepted | 2026-02 | Pessimistic SELECT FOR UPDATE on order during item mutations | - |
| 0003 | Accepted | 2026-02 | MQ-Pay payment events arrive via HTTP webhook, not polling | - |
| 0004 | Accepted | 2026-03 | Polymorphic AllocationUsage(usageType, usageId) shared by SaleOrder + Reservation | - |
| 0005 | Accepted | 2026-03 | Capture snapshot pricing (v1 + v2) on checkout into order items | - |