On engineering, systems, and the things I learn along the way.
My RAG support bot could finish an answer after a human had already taken over. How I stored conversation ownership on the session, made every handoff one compare-and-set, sent every failure to a person, and where an in-memory queue stopped being enough.
How next-word prediction became ChatGPT and how ChatGPT became something that can act in the world.
From one-hot encoding to the Transformer, the architecture that every modern AI is built on.
From one artificial neuron to AlexNet, the mechanics that make modern AI possible.
The forgotten history of AI before neural networks — and the pivot that saved everything.