Onboarding athletes and coaching groups

[david]

We have added support for bulk setup of athletes:

Setup multiple athletes at once

We have added a premium feature to configure multiple athletes in one go to the group and /athletes pages. [Screenshot 2025-11-20 at 20.54.22] [Screenshot 2025-11-25 at 06.35.07] Currently copying your own custom items (activity fields, interval fields, zones, charts, streams etc.) is supported. Other setup operations will be added in future. You can choose from your custom items, select from your coached athletes and update them all. [Screenshot 2025-11-20 at 08.56.14] If the athlete a…