strip one proto layer in ListMachines method

internal/cli/client/cluster.go

@@ -0,0 +1,15 @@
+package client
+
+import (
+	"context"
+	"google.golang.org/protobuf/types/known/emptypb"
+	"uncloud/internal/machine/api/pb"
+)
+
+func (cli *Client) ListMachines(ctx context.Context) ([]*pb.MachineMember, error) {
+	resp, err := cli.ClusterClient.ListMachines(ctx, &emptypb.Empty{})
+	if err != nil {
+		return nil, err
+	}
+	return resp.Machines, nil
+}