Criar empresa

POST /v1/companies

curl -X POST https://api.socialsell.ai/v1/companies \
  -H "Authorization: Bearer sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Nova Empresa Ltda",
    "email": "contato@novaempresa.com.br",
    "phone": "+5511222233334",
    "sector": "Varejo",
    "size": "11-50",
    "city": "Curitiba",
    "state": "PR",
    "tags": ["prospect"]
  }'