Method Next

go/engine/node.go:111–120

Next applies the outgoing transition's side effects (e.g. AgentTask prompt evaluation) against the scope and returns the target node ID. Returns StateIdle with a nil error when no transition is wired to the port.

(port string, scope *Scope)

// evaluation) against the scope and returns the target node ID. Returns
// StateIdle with a nil error when no transition is wired to the port.
func (b *LinearNode) Next(port string, scope *Scope) (string, error) {
	tr, ok := b.transitions[port]
	if !ok {
		return StateIdle, nil
	}
	if err := tr.Apply(scope); err != nil {
		return "", fmt.Errorf("node %s port %s: %w", b.id, port, err)
	}
	return tr.TargetID, nil
}

// BranchingNode is a base for a node that can decide between multiple
// state transitions per port (e.g. LLM agent)