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/Discovery/DiscoveryServiceBootstrapper.php

@@ -84,6 +84,10 @@ final readonly class DiscoveryServiceBootstrapper
             if ($cachedRegistry !== null && ! $cachedRegistry->isEmpty()) {
                 $this->container->singleton(DiscoveryRegistry::class, $cachedRegistry);
 
+                // Process DefaultImplementation attributes first (before Initializers)
+                $defaultImplProcessor = $this->container->get(\App\Framework\DI\DefaultImplementationProcessor::class);
+                $defaultImplProcessor->process($cachedRegistry);
+
                 // Initializer-Verarbeitung für gecachte Registry
                 $initializerProcessor = $this->container->get(InitializerProcessor::class);
                 $initializerProcessor->processInitializers($cachedRegistry);
@@ -131,6 +135,10 @@ final readonly class DiscoveryServiceBootstrapper
         $this->container->singleton(DiscoveryRegistry::class, $results);
         $this->container->instance(UnifiedDiscoveryService::class, $discoveryService);
 
+        // Process DefaultImplementation attributes first (before Initializers, as they may depend on them)
+        $defaultImplProcessor = $this->container->get(\App\Framework\DI\DefaultImplementationProcessor::class);
+        $defaultImplProcessor->process($results);
+
         // Initializer-Verarbeitung mit dedizierter Klasse
         $initializerProcessor = $this->container->get(InitializerProcessor::class);
         $initializerProcessor->processInitializers($results);