diff --git a/public/api.php b/public/api.php
index bc49c6d..6210192 100644
--- a/public/api.php
+++ b/public/api.php
@@ -12,6 +12,17 @@ require_once __DIR__ . '/../src/BackupManager.php';
 require_once __DIR__ . '/../src/FirewallManager.php';
 require_once __DIR__ . '/../src/PhonebookManager.php';
 require_once __DIR__ . '/../src/CdrManager.php';
+require_once __DIR__ . '/../src/ClusterManager.php';
+
+// Autoloader PSR-4 automatique pour toutes les classes du namespace App
+spl_autoload_register(function (string $class): void {
+    if (str_starts_with($class, 'App\\')) {
+        $file = __DIR__ . '/../src/' . str_replace('\\', '/', substr($class, 4)) . '.php';
+        if (file_exists($file)) {
+            require_once $file;
+        }
+    }
+});
 
 use App\Database;
 use App\Auth;
@@ -24,6 +35,7 @@ use App\BackupManager;
 use App\FirewallManager;
 use App\PhonebookManager;
 use App\CdrManager;
+use App\ClusterManager;
 
 header('Content-Type: application/json; charset=utf-8');
 header('Cache-Control: no-store, no-cache, must-revalidate');
diff --git a/public/index.php b/public/index.php
index 908a6e5..a18378a 100644
--- a/public/index.php
+++ b/public/index.php
@@ -4,6 +4,16 @@ declare(strict_types=1);
 require_once __DIR__ . '/../src/Database.php';
 require_once __DIR__ . '/../src/Auth.php';
 
+// Autoloader PSR-4 automatique pour toutes les classes du namespace App
+spl_autoload_register(function (string $class): void {
+    if (str_starts_with($class, 'App\\')) {
+        $file = __DIR__ . '/../src/' . str_replace('\\', '/', substr($class, 4)) . '.php';
+        if (file_exists($file)) {
+            require_once $file;
+        }
+    }
+});
+
 use App\Database;
 use App\Auth;
 
diff --git a/scripts/cluster/check_asterisk.sh b/scripts/cluster/check_asterisk.sh
index c155db0..f6c9bd5 100755
--- a/scripts/cluster/check_asterisk.sh
+++ b/scripts/cluster/check_asterisk.sh
@@ -21,3 +21,4 @@ if asterisk -rx "core show version" >/dev/null 2>&1; then
 fi
 
 exit 1
+
diff --git a/scripts/cluster/notify_backup.sh b/scripts/cluster/notify_backup.sh
index e38b639..a681889 100755
--- a/scripts/cluster/notify_backup.sh
+++ b/scripts/cluster/notify_backup.sh
@@ -17,3 +17,4 @@ fi
 
 echo "[$TIMESTAMP] [CLUSTER] Mode Standby actif. En écoute des battements de cœur VRRP." >> "$LOG_FILE"
 exit 0
+
diff --git a/scripts/cluster/notify_fault.sh b/scripts/cluster/notify_fault.sh
index 80d19d4..3406f29 100755
--- a/scripts/cluster/notify_fault.sh
+++ b/scripts/cluster/notify_fault.sh
@@ -15,3 +15,4 @@ if [ -f "$DB_PATH" ]; then
 fi
 
 exit 0
+
diff --git a/scripts/cluster/notify_master.sh b/scripts/cluster/notify_master.sh
index c5a70ec..84eb61f 100755
--- a/scripts/cluster/notify_master.sh
+++ b/scripts/cluster/notify_master.sh
@@ -30,3 +30,4 @@ fi
 
 echo "[$TIMESTAMP] [CLUSTER] Prise de relais MASTER terminée avec succès." >> "$LOG_FILE"
 exit 0
+
diff --git a/src/ClusterManager.php b/src/ClusterManager.php
index 9dbe372..a027564 100644
--- a/src/ClusterManager.php
+++ b/src/ClusterManager.php
@@ -525,3 +525,4 @@ class ClusterManager
         $stmt->execute([':status' => $status, ':msg' => $message]);
     }
 }
+