feat(Production): Complete production deployment infrastructure

- Add comprehensive health check system with multiple endpoints
- Add Prometheus metrics endpoint
- Add production logging configurations (5 strategies)
- Add complete deployment documentation suite:
  * QUICKSTART.md - 30-minute deployment guide
  * DEPLOYMENT_CHECKLIST.md - Printable verification checklist
  * DEPLOYMENT_WORKFLOW.md - Complete deployment lifecycle
  * PRODUCTION_DEPLOYMENT.md - Comprehensive technical reference
  * production-logging.md - Logging configuration guide
  * ANSIBLE_DEPLOYMENT.md - Infrastructure as Code automation
  * README.md - Navigation hub
  * DEPLOYMENT_SUMMARY.md - Executive summary
- Add deployment scripts and automation
- Add DEPLOYMENT_PLAN.md - Concrete plan for immediate deployment
- Update README with production-ready features

All production infrastructure is now complete and ready for deployment.

src/Application/Campaign/ShowCampaign.php

@@ -6,9 +6,9 @@ namespace App\Application\Campaign;
 
 use App\Framework\Attributes\Route;
 use App\Framework\Http\Method;
-use App\Framework\Router\Result\ViewResult;
 use App\Framework\Http\Session\Session;
 use App\Framework\Meta\MetaData;
+use App\Framework\Router\Result\ViewResult;
 
 /**
  * Show Campaign Landing Page
@@ -19,7 +19,8 @@ final readonly class ShowCampaign
 {
     public function __construct(
         private CampaignService $campaignService
-    ) {}
+    ) {
+    }
 
     #[Route(path: '/campaign/{slug}', method: Method::GET)]
     public function __invoke(string $slug, Session $session): ViewResult
@@ -27,7 +28,7 @@ final readonly class ShowCampaign
         // Fetch campaign data
         $campaign = $this->campaignService->findBySlug($slug);
 
-        if (!$campaign) {
+        if (! $campaign) {
             throw new \RuntimeException("Campaign not found: {$slug}");
         }
 
@@ -50,7 +51,7 @@ final readonly class ShowCampaign
             'spotify_enabled' => (bool) $campaign->spotify_enabled,
             'apple_music_enabled' => (bool) $campaign->apple_music_enabled,
             'tracks' => $campaign->tracks ? array_map(
-                fn($track) => [
+                fn ($track) => [
                     'position' => $track->position,
                     'title' => $track->title,
                     'duration' => $track->duration ? $this->formatDuration($track->duration) : null,