Reference frame, scene 1. Vertical 9:16. Pixar-style realistic 3D,
classroom, projector screen, daylight, film grain. Composition: two-
shot. LEFT — Alisa_master at the front, turning to see a blank screen,
alarm, braces, mouth in frame. RIGHT — Sonya_master at a desk, hiding
a USB stick, smug, mouth in frame. Camera: medium two-shot. Key
visibility: blank screen + Alisa's alarm + Sonya's sabotage readable,
mouths in frame. Negative: no on-screen text, no logos, no flat
cartoon, no anime, no blurred faces.
