I am personally thinking creating an alternative to the ubiquitous todo app to highlight how different frontend libraries/frameworks/state solutions tackle comm

I am personally thinking creating an alternative to the ubiquitous todo app to highlight how different frontend libraries/frameworks/state solutions tackle common problems. One example could be a form where the validation rules of one field depend on another, where you have to pick an option from a list that is loaded from a server (what do you do when the current value is not among the returned list?), etc.