There are several USB-C cables with magnetically-connected tips on AliExpress, it wouldn't seem too difficult to make a breakaway junction in a cable using that

There are several USB-C cables with magnetically-connected tips on AliExpress, it wouldn't seem too difficult to make a breakaway junction in a cable using that principle: https://m.aliexpress.com/item/4000374403062.html https://m.aliexpress.com/item/4000374403062.html