Do this once on your laptop. Takes 2 minutes, lasts a year.
Open web.toddleapp.com and sign in. Go to your timetable.
Press F12 to open DevTools. Click the Network tab.
Click the next week arrow › on the timetable to trigger a request.
In the Network list, click the graphql request.
Click the Headers tab in the request details.
Under Request Headers, find: Authorization: Bearer eyJ....
Copy everything after Bearer — that's your JWT token.
Click the Payload tab (next to Headers).
Expand variables and find the id field.
It's a long number like 229011566392040045 — that's your Staff ID.
QR code will appear here.