Record a desktop app call (Teams, Zoom): choose Entire screen and turn on Share system audio. A browser tab is only for a meeting already in the browser.
You is the microphone. Others is the shared tab or system audio. Voiceprints stay sealed and this page does not enroll a voice.
Off until you turn it on. The Worker already stores the wrapped account key. This lets that Worker open meeting text for an agent signed in as you.