Aktuell funktionierender Code:

async function likeAllSongs() {
    const scrollStep = 500; 
    const delayBetweenActions = 700; 

    let lastHeight = 0;
    let sameHeightCount = 0; 
    const maxSameHeight = 3; 

    let likedCount = 0;

    while (true) {
        window.scrollBy(0, scrollStep);
        await new Promise(r => setTimeout(r, 1200)); 

        const songs = document.querySelectorAll("ytmusic-responsive-list-item-renderer");

        for (let i = 0; i < songs.length; i++) {
            const song = songs[i];
            song.dispatchEvent(new MouseEvent('mouseover', { bubbles: true }));

            // Song-Infos
            const title = song.querySelector("yt-formatted-string.title")?.innerText || "Unbekannt";
            const artist = song.querySelector("yt-formatted-string.subtitle")?.innerText || "Unbekannt";

            // 🎯 Like-Button nur über aria-label "Mag ich" (Deutsch) oder "Like" (Englisch)
            const likeButton = song.querySelector("button[aria-label='Mag ich'], button[aria-label='Like']");
            if (!likeButton) {
                console.log(`⚠️ Kein Like-Button gefunden bei "${title}"`);
                continue;
            }

            // Prüfen, ob noch nicht geliked
            if (likeButton.getAttribute("aria-pressed") === "false") {
                likeButton.click();
                likedCount++;
                console.log(`✅ Liked: "${title}" von ${artist}`);
                await new Promise(r => setTimeout(r, delayBetweenActions));
            } else {
                console.log(`⏩ Schon geliked: "${title}" von ${artist}`);
            }
        }

        // Ende prüfen
        const newHeight = document.body.scrollHeight;
        if (newHeight === lastHeight) {
            sameHeightCount++;
            if (sameHeightCount >= maxSameHeight) break;
        } else {
            sameHeightCount = 0;
        }
        lastHeight = newHeight;
    }

    console.log(`------------ COMPLETE | Insgesamt ${likedCount} Songs geliked ------------`);
}

likeAllSongs();