Teste de Permissões do Microsoft Graph

✅ Obter informações do usuário

{
  "id": "64336712-370b-4c19-aefc-726ad998fb75",
  "displayName": "Central",
  "userPrincipalName": "central@vilabr.com.br"
}

✅ Listar chats

{
  "quantidade": 13
}

❌ Criar chat

Erro: Request failed with status code 400

{
  "code": "BadRequest",
  "message": "'user@odata.bind' field is missing in the request.",
  "innerError": {
    "date": "2026-11-07T20:55:17",
    "request-id": "0b75a88a-ac23-4772-ab99-250642eb92c0",
    "client-request-id": "0b75a88a-ac23-4772-ab99-250642eb92c0"
  }
}