Memory & Decision Ledger
Companies pay for the same lesson annually: the churned segment rediscovered, the failed channel re-tried, the pricing mistake with new fonts. Institutional memory lives in whoever hasn't quit yet.
Mechanism
Semantic
What's true — the state.
Episodic
What happened — runs, events.
Decision
What was chosen and why — the ledger.
Procedural
What works here — plays learned from verified outcomes.
Anatomy
Worked example
Control
Outcomes get sealed here, and the next recommendation gets sharper.
Hard question