0.0.1

composer.json

@@ -3,7 +3,9 @@
     "description": "Potter Framework Middleware Interface",
     "type": "library",
     "require": {
-        "php": "^8.5"
+        "php": "^8.5",
+        "psr/http-server-middleware": "^1.0",
+        "psr/http-message": "^2.0"
     },
     "license": "MIT",
     "autoload": {

src/Potter/Middleware/MiddlewareInterface.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Middleware;
+
+use \Psr\Http\Server\MiddlewareInterface as PsrMiddlewareInterface;
+
+use \Psr\Http\Server\RequestHandlerInterface as PsrRequestHandlerInterface;
+
+use \Psr\Http\Message\ResponseInterface as PsrResponseInterface;
+use \Psr\Http\Message\ServerRequestInterface as PsrServerRequestInterface;
+
+interface MiddlewareInterface extends PsrMiddlewareInterface
+{
+    public function process(PsrServerRequestInterface $request, PsrRequestHandlerInterface $handler): PsrResponseInterface;
+}