volatile sbool conceptsAndBot_running;

static void conceptsAndBot() {
  conceptsAndBot(null);
}

static void conceptsAndBot(Int autoSaveInterval) {
  if (conceptsAndBot_running) ret;
  conceptsAndBot_running = true;
  
  try {
    ensureDBNotRunning(dbBotStandardName());
  } on fail {
    db_mainConcepts().dontSave = true; // SAFETY
  }
  
  if (autoSaveInterval != null)
    db_mainConcepts().persist(autoSaveInterval);
  else
    db_mainConcepts().persist();
  dbBot();
}