Sage AI (this is how i called it) is a full-stack, self-hosted AI assistant built with LangChain, FastAPI, and React/Vite, powered by local Ollama models. It features streaming chat responses, tool-calling capabilities, CSV data analysis via a pandas agent, PDF extraction, an integrated email composer, and inline chart rendering — designed as an on-premises alternative to cloud AI assistants for clients who need data privacy and local control.