USB or wireless ADB across a shelf of handsets, with the screen tools.
Plug a phone in over USB and the agent picks it up on its own — no pairing, no address to remember. Prefer a cable-free shelf? Enable wireless debugging, pair once, and the agent dials known addresses after a restart and reconnects a dropped phone.
This is the engine with mirrors, screenshots, remote control and envelope photos.
It is also the fallback if Whatnot changes the API underneath us.
Givvy