When the CLI displays a prompt (e.g., when running expo run:ios --device and waiting for device selection), it should trigger the bell sequence to capture the user’s attention.

In modern multitasking environments, it’s easy to lose focus and forget that the CLI is waiting for input. Emitting the bell sequence would provide an audible or visual cue—depending on the terminal—to remind users that interaction is required.

The bell sequence (BEL, ASCII code 7) is widely supported across popular terminals.

For reference, see the Ghostty documentation: https://ghostty.org/docs/vt/control/bel