[krapp]

No, it's Yiddish parlance for an act, gimmick or commonly employed routine.

[dpark]

That makes no sense in this context. Typo or dictation error (stick -> schtick) makes far more sense.

[52-6F-62]

I read it as "stick" as well. Like how people would use a broom stick to press the 'test' button on classic smoke detectors.

(Admittedly, I have no idea if the Nest version has a similar test)