14-guard.spec.ts: every authentik-guarded vhost (www, search, romm, files,
seerr, grafana, prometheus, loki) must challenge an unauthenticated direct
navigation; plex is asserted exempt (PMS answers directly, no IdP form).
11-admin.spec.ts: admin direct-nav to grafana/prometheus/loki passes through
with host preserved and no uidField challenge.