Swap shifts without the group chat

Roles: staff, manager. Staff see the rota and can offer a shift; anyone qualified can claim it

Qualification rules (a bartender cannot cover a chef) are data, not code

A claim needs manager approval; the manager sees a queue with one-tap approve

Notifications by email or a webhook when your offer is claimed or approved

The rota cannot end up with the same person on two overlapping shifts — enforce it

An hours-this-week counter that warns before someone crosses the overtime line

Requirements