1. Transparent cursor theme: 1x1 pixel Xcursor for every shape, set as
system default via XCURSOR_THEME=betterframe-empty. Nuclear fix for
Pi 5 GPU ignoring XCURSOR_SIZE.
2. Full VT lockdown: mask ALL gettys (tty1-6 + templates), logind
NAutoVTs=0 + ReserveVT=0, mask emergency/rescue targets. Ctrl+Alt+Fx
reaches nothing. No login screen ever.
3. Auto-reboot: FailureAction=reboot-force + StartLimitAction=reboot-force
on kiosk unit. If cage/app can't stay running → system reboots rather
than showing a blank screen or login prompt.
4. Purge ALL Pi setup wizards: piwiz, userconf-pi, rpi-first-boot-wizard,
initial-setup, pi-greeter, rpd-plym-splash. Nuke autostart files,
mask systemd units. "Configure your Raspberry" never shows.
