git workspaces, combined with some guard rails to keep the llm on task. For example a detailed document with requirements and implementation details and a unit tests that the llm can keep verifying against and/or enhancing between each step to increase the reliability of it’s output.
Two days after they released their web interface for Claude Code I was hooked. Haven't really used the regular interface or the app since. Oh god, I'll never go back to copy-pasting code.
Give Claude Code a try, with git work trees and especially some skills pre-loaded https://github.com/obra/superpowers