Fix the ai google console scroll (auto)

// Use extension for auto execute javascript runner

/**
 * @type {HTMLElement}
 */
let blockChat;

window.addEventListener('load', () => {
    console.log("Window loaded");

    // Смотри есть ли /prompts/ в url
    const prompt = window.location.href.match(/\/prompts\/\d+/);
    if (prompt == undefined) {
        console.log("You are not in chat");
        throw new Error("You are not in chat");
    }

    console.log("You are in chat");

    const interval = 200;

    const intervalId = setInterval(() => {
        blockChat = document.querySelector("ms-chat-session");
        console.log("blockChat", blockChat != undefined, blockChat);
        if (blockChat != undefined) {
            console.log("Call")
            paralax();
            clearInterval(intervalId);
        }
    }, interval);
})

function paralax() {
    console.log("main", blockChat.cloneNode(true));

    // Just paste into browser console
    let scrollThreshold = 5;

    function updateForEach(xTurns) {
        xTurns.forEach(turn => {
            contentBlock.removeChild(turn);
            lastTurn = turn;
        });
    }

    const scrollBlock = blockChat.querySelector("ms-autoscroll-container");
    const contentBlock = scrollBlock.querySelector("div");

    let turns = Array.from(contentBlock.querySelectorAll("ms-chat-turn"));
    let lastTurn;

    updateForEach(turns);

    let observer = new MutationObserver((mutations) => {
        mutations.forEach((mutation) => {
            mutation.addedNodes.forEach((node) => {
                if (node.nodeType == 1 && node.tagName == "MS-CHAT-TURN" && node != lastTurn && turns.find(nide) == undefined) {
                    turns.push(node);
                    contentBlock.appendChild(node);
                    updateForEach(turns);
                }
            })
        })
    })

    observer.observe(contentBlock, { childList: true });

    scrollBlock.onscroll = () => {
        if (scrollBlock.scrollTop < scrollThreshold) {
            let newTurn = turns.pop();
            contentBlock.insertBefore(newTurn, contentBlock.firstChild);
            scrollBlock.scrollTop = newTurn.offsetTop + newTurn.offsetHeight - scrollThreshold;
            lastTurn = newTurn;
        } else if (lastTurn != undefined && scrollBlock.scrollTop > lastTurn.offsetTop + lastTurn.offsetHeight + scrollThreshold) {
            contentBlock.removeChild(lastTurn);
            turns.push(lastTurn);
            lastTurn = undefined;

            requestAnimationFrame(() => {
                scrollBlock.scrollTop = scrollThreshold * 2;
                lastTurn = contentBlock.querySelector("ms-chat-turn:first-child");
            })
        }
    }
}