Lesson Complete!

What you learned

• How the REPL pattern works: while True loops that read input and respond until interrupted
• How to extract the file list from indexed chunks and inject it into every prompt
• How to wire chat_loop into main() so setup and the interactive session run in sequence

Next up

In the next lesson, you will add conversation history so the assistant can follow up on prior questions — and understand references like "what did they write it about?"