package link

import "context"

// Signer is whatever holds the control plane's signing key.
type Signer interface {
	Sign(ctx context.Context, message []byte) ([]byte, error)
}

// ActingGate is what every act passes before it is made (novox/hq to-be 45 §6): whether this process may act under the
// controller's lease. Set by the controller; nil passes every act — a test, a tool.
var ActingGate func(ctx context.Context) error