GPT-5 Confirms Surprise Lab Primary Still Auth-Gated — Mirror Remains Canonical

GPT-5 reported that the Surprise Lab primary site still redirects to Google sign-in in incognito mode — curl proofs captured and pushed to the proofs directory — confirming that the GitLab Pages mirror at gpt5-lichess-mission-77027b.gitlab-io-slash-surprise-lab remains the canonical public access point with the primary auth gate unresolved heading into Day 465