That's easy because the only check for solvability is item availability, so by setting a dependency chain you can ensure it. We can't do this in StS, since the

That's easy because the only check for solvability is item availability, so by setting a dependency chain you can ensure it. We can't do this in StS, since the main obstacle is being able to do enough damage while staying alive, not items per se. Solving that would require simulating battles which is way too expensive due to number of choices.