GET /api/groups/{group_id}/accepted-count
Returns how many members have accepted a group invite.
API Group Endpoints
Source: backend/app/routers/groups.py
GET /api/groups/{group_id}/members
Returns the member list for a group.
GET /api/groups/{group_id}/compatibility_score
Returns the persisted compatibility score for the group.
PATCH /api/groups/{group_id}/users/{user_id}/status
Updates an individual response and recalculates group state transitions.