detail
backend/auth/ contains real deploy/gate tooling: deploy_gate.php, deploy_log.php, fix_topbar.php, gate.php, gate_b64.txt, ht_b64.txt, ht_boot.php, log.php, log_b64.txt. Flagged in knowledge-40.md. Confirmed already in CLEAN protected paths (D118). Do not trash or modify without Server [40] review.