Why is Status codes important in Laravel applications, and what problem does it solve for developers?

Why is Status codes important in Laravel applications, and what problem does it solve for developers? The key reason to understand status codes is that Laravel applications are usually composed of several layers that must work together predictably. Response helpers can set an HTTP status code appropriate for success, validation failure, not-found conditions or server errors. Ignoring that boundary can lead to duplicated logic, poor security, unnecessary database work, or code that is difficult to test. Why it matters in practice: Laravel provides helpers and response objects for returning views, redirects, JSON data, files, downloads and other HTTP responses. The specific focus here is status codes: Response helpers can set an HTTP status code appropriate for success, validation failure, not-found conditions or server errors. This question is designed to test not only terminology, but also how the concept fits into Laravel's request, application, database, security, or deployment workflow.