fix(qa): comprehensive out-of-the-box audit and repair

- Fix critical bash dynamic scoping bug in install.sh (Impermanence/Form Factor).
- Polished Live ISO with auto-login and passwordless sudo.
- Repurposed nomarchy-toggle-suspend to directly execute systemctl suspend.
- Updated nomarchy-launch-wifi to use nmtui in alacritty.
- Optimized nomarchy-welcome to avoid redundant rebuilds via --no-update flag.
- Enabled nomarchy-welcome in Hyprland autostart.
- Wrapped Live ISO-modifying steps in welcome wizard to prevent failures.
- Removed obsolete hardware auto-detection from nomarchy-on-boot.
- Hardened script doc generator against false-positive wildcard tokens.
- Regenerated docs/SCRIPTS.md and updated docs/ROADMAP.md.

installer/install.sh

@@ -836,7 +836,7 @@ confirm_form_factor() {
     fi
     info "Auto-detected: $default"
 
-    rc=0
+    local rc=0
     nrun gum confirm "Treat this machine as a $default?" || rc=$?
     if [[ $rc -eq 0 ]]; then
         FORM_FACTOR="$default"