# POS-011 — Architect

## Feature
POS Phase 2/3 ticket 011: POS sales operations (list, void, receipts) + session history.

## Endpoints
- GET /pos/sales — list recent sales (by sessionId filter)
- POST /pos/sales/:id/void — void a sale (admin only, records reason)
- GET /pos/sales/:id/receipt — get full receipt (order + items + payments)
- GET /pos/sessions — list cash sessions (admin only)
