I have a KM. Note that the seat tube is bent inwards to place the rear wheel further underneath the rider, more forwards. So, even though the chainstays are longer than the LHT, the overall placement of the panniers may still have heel strike. Likely not, but the KM is not "better" for heel strike than the LHT. Geometry needs to be considered holistically.

My KM came with the fork that has braze-ons for just about anything. That's great. Do the same if you can. The KM frame has braze-ons for a rack, but I don't know about fenders.

Overall, it's a fine frame, but I wouldn't choose it over a LHT or an Ogre unless you wanted to have a fun trail bike in your touring off-season. I am certainly happy with mine.