There’s a particular kind of friction that builds up when you work with an AI assistant that forgets everything between sessions. You explain your setup once. Then again the next day. Then a third time when you switch projects. The …

Here’s the problem. 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 …

An AI agent with no memory is a very expensive autocomplete. To make mine actually useful I gave it two memories: one it writes to, and one it queries. The second is LightRAG, and it is the piece of my stack I have fought with the hardest …

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 …