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Add Failure & Handle Error

Prompt

In the infinitepay-dashboard-flutter repository, expand functionality by implementing a new failure and its handling in multiple files and languages. ## Steps 1. **Create User Failure** - Open the file `create_user_failure.dart` in the `shared_onboarding` package. - Create a new failure class named `PepPersonFailure`. 2. **Map the Failure** - Add a case for `PepPersonFailure` in the `create_user_exception_mapper.dart` file. - Ensure it matches a 422 status code with response code 12. 3. **UI Error Handling** - Modify `OnboardingErrorsFactory` in `app/lib/featuresonboarding/presentation/ui_errors`. - Add error messages for the new failure: - **EN:** - Title: "Hey, politically exposed person" - Message: "This CPF belongs to a politically exposed person and we don't allow creating accounts for people like that" - **PT:** - Title: "Ei, pessoa politicamente exposta" - Message: "Esse CPF pertence a uma pessoa politicamente exposta e não permitimos a criação da conta de pessoas assim" 4. **Localize Messages** - Add these messages to the `.arb` files within the app folder. - Execute `flutter pub run intl_utils:generate` to generate localized files. 5. **Unit Testing** - Create or update unit tests for all modified or newly-created classes. ## Output Format Describe the changes made with any relevant file paths and code snippets. Detail the test case setup and results in a structured format. ## Notes - Make sure to adhere to existing coding standards and project guidelines. - Ensure multilingual support is implemented correctly as per `.arb` file settings.

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