POST /auth/users/register

Registers a new user using their auth0_id from the JWT sub claim.

Used in flow: Initial app setup during sign-up/registration

Authentication: JWT (Access Token)

Request

Authorization: Bearer <access_token>
Content-Type: application/json

{
  "access_token": "string"
}

201 Created / 200 OK
{
  "success": true,
  "message": "User registered successfully"
}