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/Framework/Queue/Services/DeadLetterManager.php

@@ -7,6 +7,7 @@ namespace App\Framework\Queue\Services;
 use App\Framework\Queue\Contracts\DeadLetterQueueInterface;
 use App\Framework\Queue\Entities\DeadLetterJob;
 use App\Framework\Queue\Entities\JobIndexEntry;
+use App\Framework\Queue\ProductionJobPersistenceLayer;
 use App\Framework\Queue\ValueObjects\DeadLetterQueueName;
 use App\Framework\Queue\ValueObjects\FailureReason;
 use App\Framework\Queue\ValueObjects\QueueName;
@@ -19,7 +20,8 @@ final readonly class DeadLetterManager
     public function __construct(
         private DeadLetterQueueInterface $deadLetterQueue,
         private ProductionJobPersistenceLayer $persistenceLayer
-    ) {}
+    ) {
+    }
 
     /**
      * Move a failed job to the dead letter queue
@@ -57,7 +59,7 @@ final readonly class DeadLetterManager
         int $maxAttempts = 3
     ): bool {
         $jobEntry = $this->persistenceLayer->getJobById($jobId);
-        if (!$jobEntry) {
+        if (! $jobEntry) {
             return false;
         }
 
@@ -156,4 +158,4 @@ final readonly class DeadLetterManager
     {
         return $this->deadLetterQueue->getAvailableQueues();
     }
-}
+}