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/Events/JobChainStartedEvent.php

@@ -4,8 +4,8 @@ declare(strict_types=1);
 
 namespace App\Framework\Queue\Events;
 
-use App\Framework\Queue\ValueObjects\ChainExecutionMode;
 use App\Framework\Core\ValueObjects\Timestamp;
+use App\Framework\Queue\ValueObjects\ChainExecutionMode;
 
 final readonly class JobChainStartedEvent
 {
@@ -30,7 +30,7 @@ final readonly class JobChainStartedEvent
             'execution_mode' => $this->executionMode->value,
             'job_ids' => $this->jobIds,
             'job_count' => count($this->jobIds),
-            'timestamp' => $this->timestamp->toFloat()
+            'timestamp' => $this->timestamp->toFloat(),
         ];
     }
-}
+}