# POS-016 — Architect

## Feature
POS Phase 2/3 ticket 016: User roles + audit log + catalog sync + time tracking + barcode lookup.

## Endpoints
- GET/POST /pos/users — list/create POS users
- GET /pos/audit-log — POS audit log
- POST /pos/catalog/sync — trigger catalog sync
- GET /pos/time-tracking — employee clock-in/out by session
- GET /pos/barcode/lookup — universal barcode (EAN/SKU) lookup
