For starters, I'm gonna say I'm running KSP version 1.3.1, Konstruction version 0.3.0.0. Having some trouble with the PAL parts and construction docking ports - namely, I can't normally find them in the SPH or VAB, cause the "construction" category's gone missing. If I use the advanced mode and filter by resource, I can find the PAL Counterweight listed under the "rock" resource, and several other parts listed under "electric charge" but I can't find any of the parts in the simple mode menu. So clearly the parts are still installed, but for whatever reason the category's stopped appearing.
The Akita rover and its relevant parts are under the Rovers tab, which also has all the parts for the Lynx and Malemute. This has got me thinking there's some conflict between those mods. Upon restarting the game just now it was brought to my attention that a new version of USI tools is available - currently in the process of backing up my GameData folder so I can try updating that to see if it works.
Anyone else have issues like that, with missing categories in the editor? Fingers crossed it's just the USI tools update that'll fix it.
Edit: Updating USI Tools fixed it. Hope this helps anyone who has had a similar issue.