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

Why is Redirect responses important in Laravel applications, and what problem does it solve for developers? The key reason to understand redirect responses is that Laravel applications are usually composed of several layers that must work together predictably. Redirect responses tell the client to request another URL and are common after successful form submissions. 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 redirect responses: Redirect responses tell the client to request another URL and are common after successful form submissions. 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.