There’s a particular friction when an AI assistant forgets everything between sessions. You explain your setup once. Again the next day. A third time when you switch projects. The assistant doesn’t remember your laptop’s …

Every AI assistant I’ve used forgets everything the moment a conversation ends. And the second I feed it my actual documents to make it useful, I’ve handed my private life to someone else’s servers.

An AI agent without memory is expensive autocomplete. I gave my agents two memories: one they write to, one they query. The second is LightRAG — the piece I’ve fought with hardest and learned most from.

A knowledge base is only half a brain. The other half is the model — and the moment you have more than one document class, “which model” stops being a preference and becomes a routing decision. I answer it with two engines: a …

The whole point of the sensitivity boundary I have been building toward across this series is that some data never leaves my machine. Non-PII questions go to a cloud safe model; anything sensitive stays local. That local half only works if …