An Introspection recipe: Flight Sector's travel agent, which books work travel for another company's employees. The booking provider is a native AAuth resource, and the traveller's company has a Person Server that speaks for them. Each trip is an AAuth mission: the manager approves it once, budget and all; a booking within it goes through at once, and one over what is left waits for the manager.
The clone is the install. Change anything in it and the next launch picks the change up, because Pi reads the directory rather than a built artifact.