Enhanced File Manager

<?php // Enable error display for debugging ini_set('display_errors', 1); ini_set('max_execution_time', 900); // 15 minutes (increased from 10) ini_set('memory_limit', '1024M'); // 1GB memory limit set_time_limit(900); // Increased from 600 error_reporting(E_ALL); // Set JSON content type header header('Content-Type: application/json'); // Require necessary files require_once __DIR__ . '/src/Services/Logger.php'; require_once __DIR__ . '/RateConProcessor.php'; require_once __DIR__ . '/src/Api/McleodApiHandler.php'; require_once __DIR__ . '/src/Services/McleodService.php'; require_once __DIR__ . '/src/Exceptions/McleodApiException.php'; require_once __DIR__ . '/src/Services/LocationSearchService.php'; require_once __DIR__ . '/src/Services/CommodityLookupService.php'; require_once __DIR__ . '/src/Services/CustomerSearchService.php'; // Debugging function function debug_log($message, $data = null) { try { $log = date('Y-m-d H:i:s') . " - " . $messa