Hi!
Tap a button and a grown-up gets it.
Grown-ups only. About two minutes.
In Discord: Server Settings → Integrations → Webhooks → New Webhook, choose the channel you want, then Copy Webhook URL. A webhook can only post into that one channel. It can never read anything, and you can delete it in ten seconds.
Shown on her page, and put at the front of every message so you know at a glance who it came from.
Without this your phone may stay silent, because most Discord servers only notify on a mention. Turn on Settings → Advanced → Developer Mode, then right-click your own name and Copy User ID. Nothing she types can ever mention anyone else.
Leave both blank and Beacon works exactly as before: she sends, you get it in the chat, and nothing of hers is stored anywhere. Fill them in and she can see your answers on the tablet. It needs a small free relay you run yourself; see relay/worker.js and its README. Messages still go to the chat directly either way, so if the relay is down or wrong she can still reach you.
Tap a button and a grown-up gets it.