a similar contract to LN-symmetry can be used for ‘immortal’ statecoins.
you can potentially do something even cooler, by stacking such constructs and thus transfer one end of an LN-symmetry channel, you can in theory reuse a single channel funding for any number of users.
in this case the final ‘distribution’ of the first channel opens the second (latest) one on-chain, then that has it’s own timeout for latest state.