Send yourself a code and watch it land, without involving your phone.
This posts to /code exactly as the Shortcut does. Give
yourself a second or two — the round trip goes through the push service.
Marked autocomplete="one-time-code" — the strongest signal a site can give.
The other common shape. Clear the input above first — the extension never overwrites a field that already has a value, and it fills only the best candidate on the page.
Text yourself something like Your verification code is 483921.
That exercises the part this page cannot: whether the iPhone automation actually fires.
Try it with the phone unlocked first, then locked — see docs/SPIKES.md.