curl --request POST \
  --url http://api.superwize.ai/api/chat/truncateConversationFromItem \
  --header 'Content-Type: application/json' \
  --data '
{
  "conversationId": "conv_01JHKYW2V8XQ123456789",
  "fromItemId": "obj_01JHKZ0PV2WX123456789"
}
'

{
  "success": true,
  "deletedCount": 3,
  "reason": "Helpful and accurate answer.",
  "failedItemId": "obj_01JHKZ0PV2WX123456789"
}