GitTheFatRat/Client — reverse-engineered prompt

Build me a working Java client from this repo. There isn’t a README, so please inspect the existing source and figure out what the app is supposed to do, then clean it up so it compiles and runs reliably.

I want to be able to open the project, run the client locally, and also create a Windows executable using the included batch file or a better simple build step if needed. Please fix any missing setup, broken paths, packaging issues, or confusing startup behavior. If there are obvious errors or unfinished parts in the code, finish them in the simplest reasonable way instead of overengineering it.

Keep the project easy for a normal person to use. Add a short README with clear steps for installing Java if needed, building, running, and making the exe. If you need current Java or Maven packaging docs, look them up online.