Your team's real engineering record is the AI sessions you delete every day

Your team's real engineering record isn't in your commit history. It's in the AI sessions everyone closes and forgets every day. A commit says "refactor auth." It doesn't tell you which two approaches you tried, which one broke, which doc settled the call, or why you rejected the obvious path. That "how we actually decided this" always got lost. It only ever lived in someone's head, never written down. That changed. Your team writes code with Claude Code and Codex now, and all of those judgment calls are, for the first time, recorded in full. They're in the session. And then the tab closes and they're gone. I've hit this myself more than once. I couldn't remember why a module was split the way it was, the commit and the PR said nothing, and I finally found the reasoning in one of my own sessions from months back. It only existed there, and it almost went with the tab. What a session actually is Worth being precise about, because it's the whole point. An AI session isn'