I use coding agent but still don’t see the need to manage a swarm of them like this. Is there an actual use case for this or this is just for tokenmaxxing?

It's useful for running multiple long running tasks alongside your "primary" work. As an example I currently have 3 tabs open running a PR review, 1 tab running "autonomous development" for a small time feature and then my "primary" window for working on a feature.

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