update code, add psalm

src/Infrastructure/WebApp/Route/CachedResponse.php

@@ -7,6 +7,8 @@ use Lubian\AttributeMagic\Infrastructure\WebApp\Request\RequestEvent;
 use Symfony\Component\HttpFoundation\Response;
 
 use function apcu_add;
+use function apcu_fetch;
+use function is_string;
 use function md5;
 use function serialize;
 use function unserialize;
@@ -16,8 +18,17 @@ final class CachedResponse
     #[AsListener(RequestEvent::class, -99)]
     public function cachedResponse(RequestEvent $event): void
     {
-        $response = new Response('lol');
-        $serialized = serialize($response);
+        if ($event->request->getMethod() !== 'GET') {
+            return;
+        }
+
+        $path = md5($event->request->getPathInfo());
+        $serialized = apcu_fetch($path);
+
+        if (! is_string($serialized)) {
+            return;
+        }
+
         /** @var Response|null $response */
         $response = unserialize($serialized);
         $event->response = $response;

src/Infrastructure/WebApp/Route/CachedRouteCollector.php

@@ -3,6 +3,7 @@
 namespace Lubian\AttributeMagic\Infrastructure\WebApp\Route;
 
 use Lubian\AttributeMagic\Infrastructure\Event\AsListener;
+use Lubian\AttributeMagic\Infrastructure\Route\Handler;
 
 use function file_exists;
 use function file_get_contents;
@@ -25,7 +26,10 @@ final class CachedRouteCollector
             return;
         }
 
-        $event->routes = unserialize(file_get_contents(self::ROUTES_DIR)); //@phpstan-ignore-line
+        /** @var Handler[] $routes */
+        $routes = unserialize(file_get_contents(self::ROUTES_DIR));
+        $event->routes = $routes;
+
         $event->stopped = true;
     }
 

src/Infrastructure/WebApp/Route/HandlerCaller.php

@@ -27,6 +27,7 @@ final readonly class HandlerCaller
         }
 
         ob_start();
+        /** @var mixed $response */
         $response = $this->invoker->call(
             [$event->handler->handlerClass, $event->handler->handlerMethod],
             $event->request->attributes->all()