chore : add MCP bundle config files and .mcp.json for Claude Code

Auto-generated by Symfony Flex recipe + .mcp.json for local STDIO transport.

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

config/bundles.php

@@ -8,6 +8,7 @@ use Doctrine\Bundle\FixturesBundle\DoctrineFixturesBundle;
 use Doctrine\Bundle\MigrationsBundle\DoctrineMigrationsBundle;
 use Lexik\Bundle\JWTAuthenticationBundle\LexikJWTAuthenticationBundle;
 use Nelmio\CorsBundle\NelmioCorsBundle;
+use Symfony\AI\McpBundle\McpBundle;
 use Symfony\Bundle\FrameworkBundle\FrameworkBundle;
 use Symfony\Bundle\SecurityBundle\SecurityBundle;
 use Symfony\Bundle\TwigBundle\TwigBundle;
@@ -22,4 +23,5 @@ return [
     ApiPlatformBundle::class            => ['all' => true],
     DoctrineFixturesBundle::class       => ['dev' => true, 'test' => true],
     LexikJWTAuthenticationBundle::class => ['all' => true],
+    McpBundle::class                    => ['all' => true],
 ];