Oops, I wasn't requesting `bodyId` for item layers, so the check for `layer.bodyId !== "0"` was always true—because it was always `undefined`, even when it should have been `"0"`.
This wasn't an issue on the client, because the client _does_ request `bodyId` for caching item appearances between pets of the same body, and I didn't realize that it needs to be part of this fragment too!
Not using this anywhere in-app yet! But might swap it into the user outfits page, and use it to server-side-render social sharing meta tags!
Also eyeing this as a way to replace our nearly 1TB of outfit image S3 storage, and save $20/mo…
This folder will include code shared by both the client-side app and the server!
The server isn't using it yet, but it will in a new API endpoint soon! I'm doing this in a separate commit to avoid lumping all the import-change noise into that commit.
