The JB first-boot setup adds the Frida repo (deb https://build.frida.re/ ./)
next to the existing Havoc source, so Sileo/apt can install and update Frida
packages. Idempotent — skipped if a build.frida.re source is already present —
and picked up by the same insecure-repo `apt-get update` that follows.
Co-Authored-By: Claude Fable 5 <[email protected]>