@jerry It *is* timeline dependent! I had to scroll back more than a day (I stupidly overwritten the original screenshot with the crop, but the timestamp helped).
So far I could get this out from some vibe coded event handler in dev tools:
"Local Network Access permission required: top-level site “https://infosec.place/”, initiator “https://infosec.place/”, attempting to access target “http://localhost:3000/assets/images/og-card.png” (127.0.0.1:3000) via http. Secure context: True"