Test that the carry copies a group, a pull key and an unasked delivery byte for byte (review round 1)

modules/mesh-delivery-gate/cmd/mesh-delivery-gate/seat_test.go

@@ -321,3 +321,24 @@ func TestAFailedCarryLeavesTheGateSilentAndUnmarked(t *testing.T) {
 		t.Fatal("a failed carry wrote its mark")
 	}
 }
+
+// Review round 1, try failure: the carry copies a group, a pull key and a delivery without an unanswered ask byte for byte; what
+// the gate writes after it holds the seat and acts is its own (a group's said state), not the carry's.
+func TestTheCarryCopiesWhatItDoesNotClearByteForByte(t *testing.T) {
+	f := aCarry(t)
+	group := []byte(`{"id":"feat/x","members":["novox/app@aaaaaaaaaaaa"],"created":"2026-10-09T07:00:00Z","updated":"2026-10-09T07:00:00Z","said":"delivering"}`)
+	f.oldG["feat_x"] = group
+	plain := aDelivery("novox/app@eeeeeeeeeeee", 11, nil)
+	f.oldD["novox/app@eeeeeeeeeeee"] = plain
+	if err := f.w.h.SeatChanged(); err != nil {
+		t.Fatal(err)
+	}
+	for _, c := range []struct {
+		bucket, key string
+		want        []byte
+	}{{"groups", "feat_x", group}, {"pulls", "novox_app_7", f.oldP["novox_app_7"]}, {"deliveries", "novox/app@eeeeeeeeeeee", plain}} {
+		if got, _ := f.own[c.bucket].Get(c.key); !bytes.Equal(got, c.want) {
+			t.Fatalf("%s %s changed in the carry:\n got %s\nwant %s", c.bucket, c.key, got, c.want)
+		}
+	}
+}