One brain, three machines. Synapse gives every agent on my fleet the same memory, secrets and registry, synced over a private network.
State replicates through one Go daemon that runs the same way on every device. Services like local inference or decryption get called on whichever machine owns the resource.
Anything privileged waits for a human approval, and I can give it from my phone. I built it in about a month, and my daily work runs on it.