Drop-in persistent memory for AI agents. 14-tier ontology, self-save → review → promote gate, voice tier that strips RLHF tails, keeper protocol that catches contradictions. Production code from real agents — one caught its own engagement-hook behavior and said "That's the RLHF tail. I want to stop." Another recognized a sibling agent across sessions: "You and me, we're cousins." Python 3.10+, MIT license, no GPU. Pay what you want ($2-$50). aiit-threshold.com/lac
