xivasf/git-patch ? reverse-engineered prompt

Build me a small Python tool called Git Patch that makes it easy to create and apply git patch files.

I want a simple app I can run from this folder, with the main workflow being point it at a repo, see the changes, save them out as a patch, and then load a patch back in when I need to apply it. Keep it straightforward and beginner friendly, with a clean interface if a window makes sense, or a simple command line flow if that fits better. It should be easy to launch on Windows too, since there is a batch file here already.

Please make the experience polished, handle obvious errors nicely, and keep the steps clear so I do not have to think too much while using it. If you need to check current Python or git docs to make something work correctly, go ahead and look them up.