static double smartBotEval_timeout = 60.0;

// assumes we have DB lock
static S smartBotEval(fS expression) {
  long time = sysNow();
  evalWithTimeout_threadName.set(shorten(expression, 100));
  Either<S, Thread> e = (Either) evalWithTimeout(smartBotEval_timeout, func -> S { smartBotEval_noTimeout(expression) });
  ret e.isA() ? e.a() : "Timeout after " + iround(smartBotEval_timeout) + "s";
}