16-marreta.spec.ts (standard project) asserts the user homepage's Marreta
open link actually reaches the Marreta app through the full guard chain
(Anubis PoW -> Authentik SSO -> app), and explicitly NOT the authentik
login flow. Guards the 2026-09-12 incident where marreta-proxy was created
without a linked Application, so the embedded outpost never loaded it and
the homepage link parked on a login wall.
Wires spec 16 into the standard project testMatch. Verified passing live.