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.continue/rules/request-handling-in-controllers.md

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+---
+globs: src/UI/**/*.php
+description: Defines best practices for handling HTTP requests in Symfony 7.
+  Ensures strict separation of concerns by transforming raw request data into
+  immutable DTOs at the boundary of the UI layer, preventing leakage of
+  infrastructure details into business logic.
+alwaysApply: true
+---
+
+The Request object must only be used in the UI layer (Controllers). Immediately convert request data into DTOs located in /src/Logic/[FeatureName]/DTO before passing them to UseCases. Use $request->getPayload() for JSON APIs, $request->query/request for forms, and $request->attributes for route parameters. Never pass the Request object to Logic or Data layers.