proxy-manager-vibes

Your MAIN TASK: Given the proxy-manager.py CLI tool create a complete re-implementation in Rust with an additional TUI.

There might have been some progress done already. Try to keep the track of progress and todos in the PROGRESS.md file. Check your branch first, evaluate the repository state, then continue on with the next most important unfinished todo.

When acting on the implementation step:

Once you’re ready: