The biggest and most emphatic of "Agree" here.
You should NOT be leading any project if you cannot imagine that.
It's part of the job description. You cannot LEAD without VISION, my dude.
If you have aphantasia - find ways to compensate. Don't make your team do it, much less AI.
Rodrigo Alem Fernández
an important skill, when directing a project, is to be able to imagine what the finished product will look like before it has been made