Tap a reaction while somebody is talking and it shows on their screen
for a moment. Agreement without interrupting, on a voice call as well as
video.
The signal rides the ratchet like every other call signal, is accepted
only for the call in progress and only once it is up, and is recorded
nowhere: when the call ends there is no trace of it. An older build
ignores the action it does not know.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
