And since you mention state machines: most of the handlers are done as state machines. Plus the overall app state is done as a kind of reverse state machine wh

And since you mention state machines: most of the handlers are done as state machines. Plus the overall app state is done as a kind of reverse state machine where we derive the status from various app states. I would like to change this to not be backwards one day but it was too big of a lift to change everything at once!