How I Built an Offline AI Assistant in Python - No OpenAI, No LangChain, No Dependencies

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Every tutorial about building an AI assistant starts the same way: pip install openai. Get an API key. Send everything to GPT. Done. Now your assistant costs money per message, dies without internet, and you have zero control over what happens between the question and the answer. I needed something different. PC Workman is an open-source system monitor that runs on people's PCs. Some of those PCs are behind firewalls. Some users don't want their system data leaving their machine. So I built hck_