// a human who answers to clients
concept Worker {
  S loginName, displayName;
  //S password;
  bool available;
  long lastOnline; // recent timestamp if online
  new Ref<AbstractBotImage> image;
  
  sS _fieldOrder = "loginName displayName";
  
  S renderAsHTML() {
    ret htmlEncode2(loginName + " (display name: " + displayName + ")");
  }
}