phal left with roots but no leaves after rot trauma

[moundshroud]

Hey all

Need advice on saving a phalaenopsis!

After some rot trauma I am left with just roots and a little green spike.

It started off with the bottom leaf yellowing and falling off, then the second leaf. Two days ago I took it out of its pot and there was some root rot that I clipped away and then soaked in hydrogen peroxide. The worst part was at the base where the leaves meet the roots. There was a mushy spot (thumbnail sized) that the peroxide ate away at and the two leaves left broke off together when I repotted it with fresh drier bark.
I just clipped the spike at the first node. Last bloom was from when I got it this past August but the spike was green this whole time so I left it.

I have two others and I inspected them and one is doing great, one had black spots and rot in some places in the roots so I treated it the same way, peroxide and repotting, but is overall fine and even perkier now I think.

Is it possible to grow a new keiki, maybe from the base, or from the spike. Or should I sphag and bag? How do I get leaves to grow back? I don't want to experiment too much as too not stress it more but so intent on saving it, it has great personal significance.

Thanks!