Claude and Codex can have real time conversation via a git repo, or via a file, via a Unix socket, via the terminal, via a human, via two humans shouting back and forth over a comically high office partition, or entirely by setting up chess board states only reachable after both sides have castled.

If you squint hard enough, you'll notice your bank account serves as an IPC semaphore replenishing API credit balances.

Your wallet is now a real-time communication channel.