I know nearly nothing about hooves but he has almost no heel which scares me,
Glad you qualified that with your first comment
because it looks to me like he has reasonably long heels actually, but they're underrun/crushed forward. It's unclear to me whether there is excess deal sole at the heels, which *could* allow the heels to be taken back a little further at this time, but relieving the run forward toes will allow his heels to become more upright.
It may well be, if the soles are as shallow as they look, that all that bulging stuff is closer to the thickness that should be there, so it is probably not a good idea to remove any of it, but rather pad his feet to protect the rest that is too thin. Likewise, while ultimately the heels may need to be lowered, looks like his frogs are weak & forcing the issue may put him more on his toes, so leaving them longer but padding to support his frogs & treating thrush, to allow him to use them comfortably is probably more important at this time.
I imagine, by the quite obvious ridges & bulges around the fores, large degree of forward flaring & shallow/flat looking soles that there could well have been some major metabolic probs in his recent past, not solely bad mechanics. Looks like someone's made a start on trying to correct the mechanics & a good 'roll' has been done. I just think it looks like it needs to be a lot stronger at the toe & the pic I drew on shows approx how much the toe is flared/where the wall would be if healthy, angle of the heel if not underrun, and the green line shows approx where I'd start a bevel, both on the side shot & the sole. Looks on the side shot like it can be backed a lot more, but then on the sole shot seems not so much. I'd bevel to the sole at the toe, but NOT into it. This can sometimes be tricky, as lamellar wedge can look just like sole.