diff --git a/src/Framework/ErrorAggregation/ErrorAggregationInitializer.php b/src/Framework/ErrorAggregation/ErrorAggregationInitializer.php
index e0b4e03c..a14a02cf 100644
--- a/src/Framework/ErrorAggregation/ErrorAggregationInitializer.php
+++ b/src/Framework/ErrorAggregation/ErrorAggregationInitializer.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Framework\ErrorAggregation;
 
 use App\Framework\Cache\Cache;
+use App\Framework\Config\Environment;
 use App\Framework\Database\ConnectionInterface;
 use App\Framework\DateTime\Clock;
 use App\Framework\DI\Container;
@@ -25,7 +26,8 @@ final readonly class ErrorAggregationInitializer
     #[Initializer]
     public function initialize(Container $container): void
     {
-        $enabled = (bool) ($_ENV['ERROR_AGGREGATION_ENABLED'] ?? true);
+        $env = $container->get(Environment::class);
+        $enabled = $env->getBool('ERROR_AGGREGATION_ENABLED', true);
 
         // Storage
         $container->bind(ErrorStorageInterface::class, function (Container $container) use ($enabled) {
@@ -47,14 +49,15 @@ final readonly class ErrorAggregationInitializer
                 return new NullErrorAggregator();
             }
 
+            $env = $container->get(Environment::class);
             return new ErrorAggregator(
                 storage: $container->get(ErrorStorageInterface::class),
                 cache: $container->get(Cache::class),
                 clock: $container->get(Clock::class),
                 alertQueue: $container->get(Queue::class),
                 logger: $container->get(Logger::class),
-                batchSize: (int) ($_ENV['ERROR_AGGREGATION_BATCH_SIZE'] ?? 100),
-                maxRetentionDays: (int) ($_ENV['ERROR_AGGREGATION_MAX_RETENTION_DAYS'] ?? 90)
+                batchSize: $env->getInt('ERROR_AGGREGATION_BATCH_SIZE', 100),
+                maxRetentionDays: $env->getInt('ERROR_AGGREGATION_MAX_RETENTION_DAYS', 90)
             );
         });
 
@@ -64,29 +67,32 @@ final readonly class ErrorAggregationInitializer
                 throw new \RuntimeException('ErrorAggregator is disabled. Use ErrorAggregatorInterface instead.');
             }
 
+            $env = $container->get(Environment::class);
             return new ErrorAggregator(
                 storage: $container->get(ErrorStorageInterface::class),
                 cache: $container->get(Cache::class),
                 clock: $container->get(Clock::class),
                 alertQueue: $container->get(Queue::class),
                 logger: $container->get(Logger::class),
-                batchSize: (int) ($_ENV['ERROR_AGGREGATION_BATCH_SIZE'] ?? 100),
-                maxRetentionDays: (int) ($_ENV['ERROR_AGGREGATION_MAX_RETENTION_DAYS'] ?? 90)
+                batchSize: $env->getInt('ERROR_AGGREGATION_BATCH_SIZE', 100),
+                maxRetentionDays: $env->getInt('ERROR_AGGREGATION_MAX_RETENTION_DAYS', 90)
             );
         });
 
         // Alert Manager
         $container->bind(AlertManager::class, function (Container $container) {
+            $env = $container->get(Environment::class);
             $channels = [];
 
             // Email channel (if configured)
-            if (! empty($_ENV['ALERT_EMAIL_RECIPIENTS'])) {
-                $recipients = explode(',', $_ENV['ALERT_EMAIL_RECIPIENTS']);
+            $emailRecipients = $env->get('ALERT_EMAIL_RECIPIENTS');
+            if (! empty($emailRecipients)) {
+                $recipients = explode(',', $emailRecipients);
                 $channels[] = new EmailAlertChannel(
                     transport: $container->get(TransportInterface::class),
                     recipients: array_map('trim', $recipients),
-                    fromEmail: $_ENV['ALERT_FROM_EMAIL'] ?? 'alerts@example.com',
-                    fromName: $_ENV['ALERT_FROM_NAME'] ?? 'Error Alert System'
+                    fromEmail: $env->get('ALERT_FROM_EMAIL', 'alerts@example.com'),
+                    fromName: $env->get('ALERT_FROM_NAME', 'Error Alert System')
                 );
             }
 
@@ -97,19 +103,19 @@ final readonly class ErrorAggregationInitializer
                 logger: $container->get(Logger::class),
                 channels: $channels,
                 throttleConfig: [
-                    'urgent' => (int) ($_ENV['ALERT_THROTTLE_URGENT'] ?? 300),
-                    'high' => (int) ($_ENV['ALERT_THROTTLE_HIGH'] ?? 900),
-                    'medium' => (int) ($_ENV['ALERT_THROTTLE_MEDIUM'] ?? 3600),
-                    'low' => (int) ($_ENV['ALERT_THROTTLE_LOW'] ?? 86400),
+                    'urgent' => $env->getInt('ALERT_THROTTLE_URGENT', 300),
+                    'high' => $env->getInt('ALERT_THROTTLE_HIGH', 900),
+                    'medium' => $env->getInt('ALERT_THROTTLE_MEDIUM', 3600),
+                    'low' => $env->getInt('ALERT_THROTTLE_LOW', 86400),
                 ]
             );
         });
 
         // Middleware
-        $container->bind(ErrorAggregationMiddleware::class, function (Container $container) {
+        $container->bind(ErrorAggregationMiddleware::class, function (Container $container) use ($enabled) {
             return new ErrorAggregationMiddleware(
                 errorAggregator: $container->get(ErrorAggregator::class),
-                enabled: (bool) ($_ENV['ERROR_AGGREGATION_ENABLED'] ?? true)
+                enabled: $enabled
             );
         });
     }