# POS-FIX-3 — POS terminal: cierre de caja button added

## Fix
Added closeSession() to posApi. Added Cerrar caja button near the session badge with confirmation dialog asking for actual cash count.

## Files changed
- apps/pos/src/lib/api-client.ts (closeSession API)
- apps/pos/src/app/(terminal)/page.tsx (close button + confirmation modal)

## Verification
- npm test: 271 passed
- tsc POS app: 0 errors
