다중 앱 워크플로

<div class="scene"><div class="title">ONE HISTORY · THREE APP IDS</div><div class="timeline"><div class="stem"></div><div class="step" id="app1">APP 1<br>CPU</div><div class="step" id="app2">APP 2<br>GPU</div><div class="step" id="app3">APP 3<br>DEPLOY</div></div><div class="history">PARENT HISTORY <span id="history">1 / 3 complete</span></div></div>

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let n=0;function tick(){['app1','app2','app3'].forEach((id,i)=>document.getElementById(id).classList.toggle('active',i<=n%3));document.getElementById('history').textContent=(n%3+1)+' / 3 complete';n++}tick();setInterval(tick,900);document.querySelector('.scene').addEventListener('pointerdown',tick)