fix(cdr): remove redundant Auth method calls in CDR actions

public/api.php

@@ -2279,7 +2279,6 @@ try {
             break;
 
         case 'get_cdr':
-            Auth::requireAuth();
             $filters = [
                 'limit'       => (int)($payload['limit'] ?? $_GET['limit'] ?? 100),
                 'direction'   => (string)($payload['direction'] ?? $_GET['direction'] ?? 'all'),
@@ -2297,7 +2296,6 @@ try {
             break;
 
         case 'export_cdr_csv':
-            Auth::requireAuth();
             $filters = [
                 'direction'   => (string)($_GET['direction'] ?? 'all'),
                 'disposition' => (string)($_GET['disposition'] ?? 'all'),
@@ -2313,7 +2311,6 @@ try {
             exit;
 
         case 'clear_cdr':
-            Auth::requireAuth();
             $cleared = CdrManager::clearCdr();
             echo json_encode([
                 'success' => $cleared,