Real railway operations often involve coupling and uncoupling. With a few commercially available items of hardware and software, computer automated model railway operations can, too. See how complex shunting operations can be fully automated in a small scale model railway (1:148; British N gauge) in this video.

See here for the a single take, uninterrupted sequence of the carriage sidings shunting: https://diode.zone/videos/watch/598f572e-8ff6-4be4-9630-03a26052880a