refactor: change visibility of formatResult method and update socket type in HttpServer

Author: butschster

src/Elements/RegisteredPrompt.php

@@ -112,7 +112,7 @@ public function toArray(): array
      * @throws \RuntimeException If the result cannot be formatted.
      * @throws \JsonException If JSON encoding fails.
      */
-    protected function formatResult(mixed $promptGenerationResult): array
+    private function formatResult(mixed $promptGenerationResult): array
     {
         if ($promptGenerationResult instanceof PromptMessage) {
             return [$promptGenerationResult];

src/Transports/HttpServer.php

@@ -12,11 +12,12 @@
 use Psr\Log\LoggerInterface;
 use Psr\Log\NullLogger;
 use React\EventLoop\LoopInterface;
+use React\Socket\ServerInterface;
 use React\Socket\SocketServer;
 
 final class HttpServer extends EventEmitter implements HttpServerInterface
 {
-    public readonly SocketServer $socket;
+    public readonly ServerInterface $socket;
     public readonly string $mcpPath;
     public readonly string $protocol;
     public readonly string $listenAddress;