TradeAutonom user-ng Worker (TA-NG Phase 0).

  GET  /health                    container health (unauth convenience)
  *    /u/<user_id>/<path>        requires X-Internal-Token
  POST /admin/recycle/<user_id>   requires X-Internal-Token

Typical usage is indirect: bot1.defitool.de proxies here via the
USER_NG service binding.