Another list lookup, another dedicated document

Safe Browsing v4 threatMatches is a list API. It should not behave like a search crawler. We still give it its own URL so logs stay unambiguous.

Marker: HoneypotPhrase SAFEBROWSING amber-trellis-ketch. The text is unique to this experiment and is not reused on PSI or Web Risk pages.

Expect no origin visit. If one appears, capture IP class and user-agent on the intercept tape.

HoneypotPhrase SAFEBROWSING amber-trellis-ketch