So, yes, separating the use-cases out... You would use some convention for naming and parametrising backtests, 'different' backtests would get stored separatel

So, yes, separating the use-cases out... You would use some convention for naming and parametrising backtests, 'different' backtests would get stored separately. But once you start updating backtests, running them in a loop with changing data, that's when the time-travel feature starts to be useful.