> if I had a tool that would generate Terraform based on the summary page of an AWS construct

This is definitely something we've considered. Our primary platform over at https://www.deref.io/ (still in closed beta) can export resources to Terraform or Pulumi. Video from a few months ago available here: https://youtu.be/DsZsYs_N4NU – If that's interesting to you, drop us a note at hello@deref.io and we can talk about your needs.