leonardcser/smelt ? reverse-engineered prompt

Build me a fast terminal based AI coding agent called smelt.

I want it to feel lightweight and customizable, more like Neovim than a big bloated app. It should run in the terminal, have a clean text UI, and let me chat with an AI model to inspect, edit, and apply code changes in my project. Include a simple first run experience so I can just start it with no config, or log in with supported providers, or point it at an OpenAI compatible API with a model and key.

It should support Lua scripting for plugins, custom commands, keymaps, tools, and modes, and it should include a few useful built in modes like plan, apply, and a more automatic mode. Make it feel good to use with Vim style motions and editing, and add a way to inspect requests locally if needed.

If something depends on current provider docs or APIs, look them up online and keep it working with the latest releases.