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/ValueObjects/JobMetrics.php

@@ -22,7 +22,8 @@ final readonly class JobMetrics
         public ?string $completedAt,
         public ?string $failedAt,
         public array $metadata = []
-    ) {}
+    ) {
+    }
 
     public static function create(
         string $jobId,
@@ -133,6 +134,7 @@ final readonly class JobMetrics
         }
 
         $successfulAttempts = $this->status === 'completed' ? 1 : 0;
+
         return Percentage::from(($successfulAttempts / max(1, $this->attempts)) * 100);
     }
 
@@ -148,11 +150,12 @@ final readonly class JobMetrics
 
     public function getDuration(): ?int
     {
-        if (!$this->startedAt) {
+        if (! $this->startedAt) {
             return null;
         }
 
         $endTime = $this->completedAt ?? $this->failedAt ?? date('Y-m-d H:i:s');
+
         return strtotime($endTime) - strtotime($this->startedAt);
     }
 
@@ -200,7 +203,7 @@ final readonly class JobMetrics
             'started_at' => $this->startedAt,
             'completed_at' => $this->completedAt,
             'failed_at' => $this->failedAt,
-            'metadata' => $this->metadata
+            'metadata' => $this->metadata,
         ];
     }
-}
+}