query('SELECT 1'); http_response_code(200); echo json_encode([ 'status' => 'ok', 'app' => 'TaxiLanz MVP', 'time' => gmdate('c'), ], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); } catch (Throwable $e) { http_response_code(500); echo json_encode([ 'status' => 'error', 'message' => 'Health check failed', 'time' => gmdate('c'), ], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); }