feat: allows object and array when unserializing

Author: JasonTheAdams

src/Providers/Http/DTO/Request.php

@@ -307,8 +307,9 @@ public static function getJsonSchema(): array
                     'description' => 'The request headers.',
                 ],
                 self::KEY_BODY => [
-                    'type' => ['string', 'null'],
-                    'description' => 'The request body.',
+                    'type' => ['string', 'array', 'object', 'null'],
+                    'description' => 'The request body. Always a string when serialized. ' .
+                        'Can be a string, array, or object when deserializing.',
                 ],
             ],
             'required' => [self::KEY_METHOD, self::KEY_URI, self::KEY_HEADERS],

src/Providers/Http/HttpTransporter.php

@@ -117,9 +117,10 @@ private function convertFromPsr7Response(ResponseInterface $psr7Response): Respo
     {
         $body = (string) $psr7Response->getBody();
 
+        // PSR-7 always returns headers as arrays, but HeadersCollection handles this
         return new Response(
             $psr7Response->getStatusCode(),
-            $psr7Response->getHeaders(), // @phpstan-ignore-line PSR-7 always returns headers as arrays, but HeadersCollection handles this
+            $psr7Response->getHeaders(), // @phpstan-ignore-line
             $body === '' ? null : $body
         );
     }