Pick a surface.

One engine drives all three in real time. Open each in its own tab or device; they stay in sync.

The cinematic canvas. Open it on the projector laptop and click once to arm audio and full screen.

Teleprompter, scene stepper, LIVE / HYBRID switch and every trigger. Needs the presenter key once.

What the room sees after scanning the QR code: answers, votes, red-team prompts and the dossier.