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/ValueObjects/Campaign.php

@@ -32,7 +32,8 @@ final readonly class Campaign
         public string $status = 'active',
         public ?\DateTimeImmutable $created_at = null,
         public ?\DateTimeImmutable $updated_at = null,
-    ) {}
+    ) {
+    }
 
     public static function fromArray(array $data): self
     {
@@ -53,7 +54,7 @@ final readonly class Campaign
             spotify_uri: $data['spotify_uri'] ?? null,
             apple_music_id: $data['apple_music_id'] ?? null,
             tracks: isset($data['tracks']) ? array_map(
-                fn($track) => CampaignTrack::fromArray($track),
+                fn ($track) => CampaignTrack::fromArray($track),
                 $data['tracks']
             ) : null,
             status: $data['status'] ?? 'active',
@@ -95,7 +96,7 @@ final readonly class Campaign
 
     public function hasReleased(): bool
     {
-        if (!$this->release_date) {
+        if (! $this->release_date) {
             return false;
         }
 

src/Application/Campaign/ValueObjects/CampaignTrack.php

@@ -19,7 +19,8 @@ final readonly class CampaignTrack
         public ?string $preview_url,
         public ?string $spotify_id = null,
         public ?string $apple_music_id = null,
-    ) {}
+    ) {
+    }
 
     public static function fromArray(array $data): self
     {