chore: release v0.23.3

internal/cat/cat.go

@@ -869,3 +869,22 @@ func (m *Manager) YaesuDo(fn func(YaesuController) error) error {
 		return fn(yc)
 	})
 }
+
+// KenwoodController is the Kenwood/Elecraft CW-over-CAT capability (the KY keyer),
+// so a K3 can key CW through its single CAT link instead of a second COM port.
+type KenwoodController interface {
+	SendCW(string) error
+	StopCW() error
+	SetKeySpeed(int) error
+}
+
+// KenwoodDo dispatches a Kenwood control onto the CAT goroutine.
+func (m *Manager) KenwoodDo(fn func(KenwoodController) error) error {
+	return m.exec(func(b Backend) error {
+		kc, ok := b.(KenwoodController)
+		if !ok {
+			return fmt.Errorf("active CAT backend is not a Kenwood/Elecraft")
+		}
+		return fn(kc)
+	})
+}