Danii2020/langgraph-project — reverse-engineered prompt

Build me a simple terminal chatbot in Python that uses a graph style flow instead of one big script. I want one part to handle the conversation with the user, and another part to handle tool calls when the bot needs fresh information from the web. It should use Tavily as the search tool so the bot can answer current questions instead of only guessing.

Please make it easy to run from the command line, with a clear startup prompt and a natural chat loop. If an API key is needed, set it up through an environment file example and make the config straightforward. Keep the code clean and beginner friendly so I can understand how the chatbot node, tool node, state, and main app fit together.

If something is missing, fill in the gaps in a sensible way and add small comments where helpful. Look up the current docs online if you need to.