Update cached discovery example and composer dependencies

Author: xentixar

composer.json

@@ -54,6 +54,7 @@
             "Mcp\\Example\\DependenciesStdioExample\\": "examples/06-custom-dependencies-stdio/",
             "Mcp\\Example\\ComplexSchemaHttpExample\\": "examples/07-complex-tool-schema-http/",
             "Mcp\\Example\\SchemaShowcaseExample\\": "examples/08-schema-showcase-streamable/",
+            "Mcp\\Example\\CachedDiscoveryExample\\": "examples/10-cached-discovery-stdio/",
             "Mcp\\Tests\\": "tests/"
         }
     },

examples/10-cached-discovery-stdio/CachedCalculatorElements.php

@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the official PHP MCP SDK.
+ *
+ * A collaboration between Symfony and the PHP Foundation.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 declare(strict_types=1);
 
 namespace Mcp\Example\CachedDiscoveryExample;

examples/10-cached-discovery-stdio/server.php

@@ -17,6 +17,7 @@
 Server::make()
     ->withServerInfo('Cached Discovery Calculator', '1.0.0', 'Calculator with cached discovery for better performance.')
     ->withDiscovery(__DIR__, ['.'])
+    ->withLogger(logger())
     ->withCache(new Psr16Cache(new ArrayAdapter())) // Enable discovery caching
     ->build()
     ->connect(new StdioTransport());