We built an HR management app across 7 coding sessions — once without Engram and once with it. The difference isn't subtle. It's devastating.
Claude says “I don’t have any memory of that work.”
Instantly recalls domain package refactor from Session 2.
Guesses 409 vs 422 status code distinction.
Cites exact memory entry #15 with the original decision.
Recalls 4 of 25+ decisions made across all sessions.
Recalls ALL 25 decisions + superseded entries + bugs + TODOs.