That would also work. But interviewing is in some ways fundamentally different from doing the job; Most software engineers aren't going to use most of the alg

That would also work. But interviewing is in some ways fundamentally different from doing the job; Most software engineers aren't going to use most of the algorithms in "cracking the coding interview" except when interviewing. But... as I said in another comment, a handful of real-world production workflows would also be really useful, and user interviews would likely be the best way to go about getting that.