Delete the push and the declaration: the send stub and node holds, link declare and its order, the sent readers, and the sweep judged by compositions (release 6, issue 1945 B8)

internal/link/signer.go

@@ -0,0 +1,12 @@
+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