ISO source (NOT built, NOT published): boot text in the te-form (W1); the linked banner clears the screen and its scroll-back so the spent pairing code is gone (W7); test with a decoy

scripts/iso/felhom-bootstrap.sh

@@ -95,7 +95,10 @@ print_pairing_banner() {
 # the setup is running. The address is in the e-mail the customer already has.
 print_bound_banner() {
     set_console_font
-    { printf '\n================================================\n'
+    # W7 (rehearsal 2026-10-20): clear the screen AND its scroll-back first — the spent pairing code stayed readable
+    # above this banner. ESC[3J empties the Linux console's scroll-back, ESC[H ESC[2J the visible screen.
+    { printf '\033[3J\033[H\033[2J'
+      printf '\n================================================\n'
       printf '  Felhom — a doboz össze van kötve.\n\n'
       printf '  A beállítás magától folytatódik, ez néhány percig tart.\n'
       printf '  A vezérlőpult címét az e-mailben kapott levél tartalmazza.\n\n'