I have a more primitive setup where I use Gemini, Claude, and Codex at the same time and cultivate expert contexts. Each of them lives in their own tmux session so they can read each other's terminals and prompt each other. One issue that I keep stamping out is that another instance will paste a prompt and hit enter in the middle of my typing.

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tcdent 4 hours ago | parent [-]

I do something very similar. With some hacky string matching you can detect wether a window is available for reception and get past that.

I desire a more robust system which injects the events into the harness directly, but haven't found a way that works across systems.

https://github.com/tcdent/dotfiles/blob/main/bin/agent-messa...

	▲	andai 3 hours ago \| parent [-]
		I hooked up Claude Code's "stop" hook to a frog croak, so I know when it's done. I'm guessing the same hooks could be used to ... Okay I guess there isn't a User Typed But Didn't Send Yet hook... Hmm... I heard earlier there's a T3 harness which somehow wrangles other harnesses as one big meta harness, but I haven't checked it out yet.