How We Built Drift Detection for AI Agent Memory (And Why Embeddings Alone Fail)

Dev.to AI
Generative AI AI Research

Your AI agent remembers everything. Thats actually the problem. After running autonomous agents 24/7 for 30+ days, we discovered something that broke our entire memory architecture: vector similarity doesnt equal fact accuracy. The Week 2 Problem Every agent operator hits the same wall. Your agent works perfectly for the first 10-14 days.