Notas e anexos

curl -X POST https://chat.lfautomatiza.com/api/v1/accounts/1/kanban_items/101/create_note \
  -H "api_access_token: $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "text": "Cliente pediu desconto. Aprovado até 10%.",
    "attachments": [],
    "linked_item_id": null,
    "linked_conversation_id": 12345,
    "linked_contact_id": 542
  }'

curl -X POST https://chat.lfautomatiza.com/api/v1/accounts/1/kanban/items/101/attachments \
  -H "api_access_token: $TOKEN" \
  -F "attachment=@contrato.pdf"

{
  "id": 789,
  "file_url": "https://chat.lfautomatiza.com/rails/active_storage/blobs/...",
  "file_size": 245760,
  "file_type": "application/pdf"
}