Invite a team member

curl -X POST https://app.dacard.ai/api/teams/tm_2x1B3y/invite \
  -H "Authorization: Bearer $DACARD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "email": "designer@acme.com",
    "role": "scorer",
    "functionScope": "design"
  }'

{
  "member": {
    "id": "tmm_...",
    "teamId": "tm_2x1B3y",
    "email": "designer@acme.com",
    "role": "scorer",
    "functionScope": "design",
    "status": "pending"
  }
}