installer: keep offline finalizer non-interactive

install/helpers/errors.sh

@@ -87,6 +87,22 @@ catch_errors() {
   fi
 
   stop_log_output
+
+  if [[ -n ${OMARCHY_CHROOT_FINALIZER:-} ]]; then
+    show_cursor
+    {
+      echo "Omarchy installation stopped inside offline finalizer."
+      echo "This command halted with exit code $exit_code:"
+      if [[ -n ${CURRENT_SCRIPT:-} ]]; then
+        echo "Failed script: $CURRENT_SCRIPT"
+      else
+        echo "$BASH_COMMAND"
+      fi
+      echo "The live ISO orchestrator will show the visible error screen."
+    } >&2
+    exit "$exit_code"
+  fi
+
   restore_outputs
 
   clear_logo

install/helpers/logging.sh

@@ -1,4 +1,9 @@
 start_log_output() {
+  # Offline ISO installs already have a live dashboard on tty1. The chrooted
+  # finalizer's stdout/stderr is captured to logs, so this monitor would only
+  # create noisy feedback in the log and burn CPU.
+  [[ -n ${OMARCHY_CHROOT_FINALIZER:-} ]] && return 0
+
   local ANSI_SAVE_CURSOR="\033[s"
   local ANSI_RESTORE_CURSOR="\033[u"
   local ANSI_CLEAR_LINE="\033[2K"

install/post-install/finished.sh

@@ -1,5 +1,16 @@
 stop_install_log
 
+# Offline ISO installs run inside arch-chroot while the live ISO orchestrator
+# owns the visible UI. Never prompt from here: stdout/stderr may be captured to
+# logs, leaving gum waiting invisibly on /dev/tty. The live orchestrator shows
+# the final "installed in ... / reboot" screen after validation.
+if install_mode_is offline; then
+  # Never risk an interactive sudo prompt in the chrooted ISO route. The
+  # orchestrator removes this shim after finalize.sh returns.
+  touch /var/tmp/omarchy-install-completed
+  return 0 2>/dev/null || exit 0
+fi
+
 echo_in_style() {
   echo "$1" | tte --canvas-width 0 --anchor-text c --frame-rate 640 print
 }
@@ -29,10 +40,5 @@ if gum confirm --padding "0 0 0 $((PADDING_LEFT + 32))" --show-help=false --defa
   # Clear screen to hide any shutdown messages
   clear
 
-  if install_mode_is offline; then
-    touch /var/tmp/omarchy-install-completed
-    exit 0
-  else
-    sudo reboot 2>/dev/null
-  fi
+  sudo reboot 2>/dev/null
 fi

install/preflight/guard.sh

@@ -1,6 +1,9 @@
 abort() {
   echo -e "\e[31mOmarchy install requires: $1\e[0m"
   echo
+  if [[ -n ${OMARCHY_CHROOT_FINALIZER:-} ]]; then
+    exit 1
+  fi
   gum confirm "Proceed anyway on your own accord and without assistance?" || exit 1
 }