Invoke
Body of POST /node/{id}/invoke. The single explicit invocation entry point on the HTTP surface — the replacement for the legacy click pattern (clients posting a node with state = NodeState.EXECUTED to /node/{id}).
Phase 4 (separate-crud-from-invocation): the server-side update() no longer wakes a processor; deliberate invocation goes through this endpoint which calls ServerNodeManager.invoke(target, by, verb).
Properties
Identity of the node (or actor) that triggered this call. For a UI click on a button-style node, the conventional value is the target's own identity (by = target.id()), modelling the click as a self-EXECUTE. Cross-server or automation-driven invocations carry the originator's identity so the receiver knows who fired it.
The action being applied — EXECUTE (default) or RESET.