Import earlgrey target#92

Draft

cfrantz wants to merge 2 commits intoOpenPRoT:mainfrom

cfrantz:earlgrey

Commits on Feb 5, 2026

earlgrey: Import code from Google
cfrantz
committed

Commits on Feb 6, 2026

Move root-level `tooling` and `signing` into `target/earlgrey`
cfrantz
committed