Gold prices held steady on Thursday, as investors awaited clearer signs of progress in Middle East de-escalation efforts and stayed cautious ahead of fresh geopolitical developments that could shape safe-haven demand. Spot gold was steady at $4,503.29 per ounce as of 0300 GMT. US gold futures for April delivery lost 1.2% to $4,500. Iran said it is reviewing a US proposal to end the war, b