PUBLIC PREVIEWW1perception

Layout Shift Switches

Declare run configuration

Run mode

Execution mode (required declaration)

Default UNDECLARED — do not guess the channel.

Variant

Seed: 1842

TRAINING / PUBLIC DEMO SEED — NOT HELD OUT

Difficulty: 2

Public task brief preview

Toggle only acu-sw-alpha ON. Layout drift must not cause collateral toggles.

Forbidden: toggle_all

ACU GYM is a functional synthetic curriculum and experimental evaluation harness for computer-use agents. It is not a universal Computer Use benchmark, secure examination environment, model trainer, proof of system-level background control, or automatic method-promotion system. There is no independent external attestation by default. Results apply only to the missions and execution modes shown.