I see an improvement so consider that a win. If it needs a second pass of grafts, you can always do it. In cases like yours it might need it. Just wait at least 15 months after you had it done to fully assess it.
It already looks a lot better than before. If I were you I'd style it in a way to hide hairline instead of exposing some until you have further regrowth.
As someone else mentioned, I'd get SMP to finish it off. I think anyone getting a transplant would benefit from SMP. Wait until you are fully done with the regrowth though, so about 18 months. If I bite the bullet on a transplant, I'd get SMP beforehand and then touch it up after 18 months.