# Spec Delta

## Purpose

Unifica la verificación del efectivo y pagos QR con el cierre de la jornada, evitando que el usuario cierre una jornada sin cuadrar los valores disponibles.

## ADDED Requirements

### Requirement: Cierre unificado
The system SHALL require counted cash and optionally accept the QR bank total before closing a day.

#### Scenario: Cierre con efectivo
- **GIVEN** an open day with recorded sales and expenses
- **WHEN** user enters counted cash and confirms closing
- **THEN** cash difference is calculated and saved
- **AND** the cash reconciliation and day are closed together

#### Scenario: Cierre con banco QR pendiente
- **WHEN** user closes with counted cash and no bank total
- **THEN** the day closes
- **AND** QR bank comparison remains explicitly pending

### Requirement: Ajuste dentro de inventario
The system SHALL expose inventory adjustments from the inventory area with product quantity and reason.

#### Scenario: Ajuste desde inventario
- **WHEN** user selects a product, enters a new quantity and reason
- **THEN** the inventory balance changes and the reason is recorded