curl --request POST \
  --url 'https://crm.wavups.com/api/v1/chat-sector/csector001/members' \
  --header 'Token: SEU_TOKEN_DE_API' \
  --header 'Content-Type: application/json' \
  --data '{
    "accountUserId": "cuser789"
  }'

{
  "id": "cmember001",
  "accountChatSector": "csector001",
  "accountUserId": "cuser789",
  "createdAt": "2025-08-15T10:00:00.000Z",
  "AccountUser": {
    "id": "cuser789",
    "role": "USER",
    "User": {
      "id": "usr_xyz",
      "name": "João Souza",
      "email": "joao@empresa.com"
    }
  }
}

{
  "error": "User is already a member of this chat sector"
}

{
  "error": "Account user not found"
}

{
  "error": "Error to create chat sector member"
}