5) { die(json_encode(['ok' => false, 'error' => '접근 권한이 없습니다.'])); } // API 키 읽기 $apiKeyFile = $_SERVER['DOCUMENT_ROOT'] . '/apikey/claude_api.txt'; $response = [ 'file_exists' => file_exists($apiKeyFile), 'file_path' => $apiKeyFile, 'document_root' => $_SERVER['DOCUMENT_ROOT'] ]; if (file_exists($apiKeyFile)) { $apiKey = trim(file_get_contents($apiKeyFile)); $response['key_length'] = strlen($apiKey); $response['key_prefix'] = substr($apiKey, 0, 20) . '...'; $response['key_valid_format'] = (strpos($apiKey, 'sk-ant-api') === 0); } else { $response['error'] = 'API 키 파일을 찾을 수 없습니다.'; } header('Content-Type: application/json'); echo json_encode($response, JSON_PRETTY_PRINT);