Tbh I had no idea this was even a thing until recently. I've been working with Rails for a while now and somehow never came across it. So let me explain it the way I understood it. You know how we normally do associations in Rails, User has many Posts, Post belongs to User. Two different models, two different tables. Simple. But what if a model needs to reference itself? Like same table, same mode
1. The access collection black hole You need Figma access, Google Analytics, WordPress admin, GitHub, and the client's Slack. You ask. They forward a password email from two years ago. You ask again. Their developer says they'll get back to you. Three days pass. The fix: Send a single, complete access list on Day 1 — not "we'll need some access" but the exact list, with specifics for each tool,