WTH Can't we have LoveLace "Helpers" attached to a session

Currently I use helpers to within LoveLace to change certain views (i.e. timeframe, kind of data, …). Problem is that these are thus global and not specific to a page or a user ID. Would be nice to have something in LoveLance that one can use and then access that is attached to just that session.
Thus opening 2 browser windows would allow me to select different values similar what the Energy page provides.