Work a worker parked for a human — a failed step, a decision it would not make alone, or a HELP! from the cloud. Answer with Stop (settle it), Go (put it back on the frontier), Reply (note without deciding), or spin a formula off it.
Nodes waiting on a human
Agents where desired ≠ actual
titles may use {hitl_title} / {hitl_prompt}; the item stays here until you Go/Stop it