# Spec Delta

## Purpose

Permite que una persona siempre entienda dónde está y pueda volver a Inicio o al paso anterior sin depender del botón físico del dispositivo.

## ADDED Requirements

### Requirement: Navegación global visible
The system SHALL show a shared navigation context with a home action, back action, and breadcrumbs on every application view.

#### Scenario: Volver desde Jornada
- **WHEN** user navigates from Inicio to Jornada
- **THEN** the view shows the breadcrumb `Inicio > Jornada`
- **AND** selecting Inicio returns to the dashboard
- **AND** selecting Atrás returns to the previous route

#### Scenario: Fallback de Atrás
- **GIVEN** the user opened a deep link without router history
- **WHEN** user selects Atrás
- **THEN** the system navigates to Inicio instead of leaving the application

### Requirement: Navegación responsive
The system SHALL expose the same destinations through a visible desktop menu and an accessible mobile menu.

#### Scenario: Menú móvil
- **WHEN** viewport width is narrow
- **THEN** user can open the menu, choose Inventario, close it, and return to Inicio