/**
 * View Data Layer Tests - Onboarding Functionality
 *
 * This test file will cover the view data layer for onboarding functionality.
 *
 * The view data layer is responsible for:
 * - DTO → UI model mapping
 * - Formatting, sorting, and grouping
 * - Derived fields and defaults
 * - UI-specific semantics
 *
 * This layer isolates the UI from API churn by providing a stable interface
 * between the API layer and the presentation layer.
 *
 * Test coverage will include:
 * - Onboarding page data transformation and validation
 * - Onboarding wizard view models and field formatting
 * - Authentication and authorization checks for onboarding flow
 * - Redirect logic based on onboarding status (already onboarded, not authenticated)
 * - Onboarding-specific formatting and validation
 * - Derived fields for onboarding UI components (progress, completion status, etc.)
 * - Default values and fallbacks for onboarding views
 * - Onboarding step data mapping and state management
 * - Error handling and fallback UI states for onboarding flow
 */