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/Exceptions/JobNotFoundException.php

@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Framework\Queue\Exceptions;
+
+use App\Framework\Exception\Core\QueueErrorCode;
+use App\Framework\Exception\ExceptionContext;
+use App\Framework\Queue\ValueObjects\JobId;
+
+/**
+ * Exception thrown when a job cannot be found
+ */
+final class JobNotFoundException extends QueueException
+{
+    public static function byId(JobId $jobId): self
+    {
+        $context = ExceptionContext::forOperation('job.lookup', 'JobPersistenceLayer')
+            ->withData([
+                'job_id' => $jobId->toString(),
+                'search_type' => 'by_id',
+            ]);
+
+        return self::create(
+            QueueErrorCode::JOB_NOT_FOUND,
+            "Job with ID '{$jobId->toString()}' not found",
+            $context
+        );
+    }
+
+    public static function inQueue(JobId $jobId, string $queueName): self
+    {
+        $context = ExceptionContext::forOperation('job.lookup', 'Queue')
+            ->withData([
+                'job_id' => $jobId->toString(),
+                'queue_name' => $queueName,
+                'search_type' => 'in_queue',
+            ]);
+
+        return self::create(
+            QueueErrorCode::JOB_NOT_FOUND,
+            "Job '{$jobId->toString()}' not found in queue '{$queueName}'",
+            $context
+        );
+    }
+}
+