Fix HOME path when run via sudo — use SUDO_USER's home not /root

operator_setup.sh

@@ -57,8 +57,10 @@ banner() {
 [[ $EUID -eq 0 ]] || error "Must run as root (use: sudo bash operator_setup.sh)"
 
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
-CACHE_DIR="${HOME}/.bigbrother/images"
-CREDS="${HOME}/.local/bin/creds"
+# When run via sudo, use the invoking user's home — not /root
+REAL_HOME=$(getent passwd "${SUDO_USER:-$(whoami)}" | cut -d: -f6)
+CACHE_DIR="${REAL_HOME}/.bigbrother/images"
+CREDS="${REAL_HOME}/.local/bin/creds"
 MOUNT_POINT="/mnt/opi"
 
 mkdir -p "$CACHE_DIR"