feat: Visible wizard runs, one-step VM reset and screenshots; skill updates

- scripts/vmreset.sh, vmwatch.sh (wizard in a visible Konsole), vmshot.sh.
- vmstate.sh: DKMS per kernel, DKMS override, headers service, dark LnF, wallpaper, layout backup.
- cmp.sh: also kcminputrc and ksplashrc.
- Skill: pitfalls and checks from testing cachyos-gamescope-boot 0.7.0.

README.md

@@ -106,7 +106,10 @@ read-write as 9p tag `repo`; in the guest:
 
 ## Helper scripts
 
+- `scripts/vmreset.sh [--fremont]`: restore `ssh-ready`, boot, mount the repo, autologin into Plasma
 - `scripts/vmrun.sh '<menu input>'`: run the wizard in the guest's Plasma session with scripted input
+- `scripts/vmwatch.sh '<menu input>' [label]`: same, but in a visible Konsole window in the VM
+- `scripts/vmshot.sh <out.png>`: screenshot the guest's desktop
 - `scripts/vmstate.sh`: print the state of every wizard component
 - `scripts/cmp.sh [save]`: save / diff the guest's KDE configs against a baseline