obliviate-fossilium

Put memory files (CLAUDE.md, AGENTS.md) on a diet — find fossils (migration-relative phrasing, "this used to say X" narratives, dated retractions living in the hot path), typed facts that drift (hand-written counts, sizes, versions), and history that belongs in an archive. The 5-family reads the whole file every session; every stale or historical sentence is context spent steering nothing. Use for "my CLAUDE.md is…