No spec, no problem: what happened when I ran Elva on a Django repo nobody documented

Harborops is the warehouse API I have been on-call for since 2019. Django 3.2, DRF, a Celery fleet, a half-finished django-ninja module from 2023, and zero OpenAPI. The closest thing we have to a spec is a Confluence page last edited during the first lockdown. I pointed Elva https://getelva.ai at that repo on a Sunday and tried to turn a slice of...