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.

tests/debug/test-migration-preflight.php

@@ -6,11 +6,11 @@ require __DIR__ . '/../../vendor/autoload.php';
 
 use App\Framework\Core\AppBootstrapper;
 use App\Framework\Database\Migration\MigrationLoader;
-use App\Framework\Database\Migration\Services\MigrationValidator;
 use App\Framework\Database\Migration\MigrationVersionCollection;
-use App\Framework\Performance\EnhancedPerformanceCollector;
+use App\Framework\Database\Migration\Services\MigrationValidator;
 use App\Framework\DateTime\SystemClock;
 use App\Framework\DateTime\SystemHighResolutionClock;
+use App\Framework\Performance\EnhancedPerformanceCollector;
 use App\Framework\Performance\MemoryMonitor;
 
 try {
@@ -70,7 +70,7 @@ try {
         }
     }
 
-    if (!empty($criticalIssues)) {
+    if (! empty($criticalIssues)) {
         echo PHP_EOL . "CRITICAL ISSUES FOUND:" . PHP_EOL;
         foreach ($criticalIssues as $issue) {
             echo "  ✗ {$issue}" . PHP_EOL;