I got tired of explaining my codebase to AI every conversation. So I gave it a memory.

"Why does this auth flow use JWT instead of sessions?" My AI coding assistant gave a confident, well-formatted, completely generic answer. The actual reason was buried in a 2024-08 commit referencing an incident in our pager. The AI never saw it. Every conversation I had with my AI assistant started from zero. The codebase had hundreds of commits, dozens of architectural decisions, a graveyard of "we tried X, it broke prod, we switched to Y" — and none of that context was reachable from inside t