feat(mcp) : re-enable MCP bundle config after package install

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

config/services.yaml

@@ -18,8 +18,6 @@ services:
     # this creates a service per class whose id is the fully-qualified class name
     App\:
         resource: '../src/'
-        exclude:
-            - '../src/Mcp/'
 
     # add more service definitions when explicit configuration is needed
     # please note that last definitions always *replace* previous ones
@@ -36,10 +34,9 @@ services:
         tags:
             - { name: doctrine.event_subscriber }
 
-    # TODO: re-enable when symfony/ai-mcp-bundle is installed
-    # App\Mcp\Security\McpHeaderAuthenticator:
-    #     arguments:
-    #         $mcpAuthLimiter: '@limiter.mcp_auth'
+    App\Mcp\Security\McpHeaderAuthenticator:
+        arguments:
+            $mcpAuthLimiter: '@limiter.mcp_auth'
 
     App\OpenApi\OpenApiDecorator:
         decorates: 'api_platform.openapi.factory'