Your coding agent doesn't have amnesia. It has a budget. When the context window fills up, the host compacts it into a summary — and summaries keep the what while losing the why . For engineering decisions, the why is everything. This is a write-up of a tool I came across that is built around exactly that moment — the one where a decision can still be saved: myc , an open-source (MIT) local task-and-memory layer for coding agents, built on Bun and TypeScript. Its author describes three da...