Agentic code review

<div class="demo branch"><div class="heading"><strong>REVIEW CONTEXT</strong><span class="live">LIVE</span></div><div class="scene"><div class="diagram context-map">
      <span class="box cue diff" data-cue="0">diff · parse()</span><span class="arrow arrow-a">→</span><span class="box cue caller upload" data-cue="1">upload()</span><span class="box cue caller sync" data-cue="2">sync()</span><span class="arrow arrow-b">→</span>
      <span class="box cue test" data-cue="3">invalid input test</span><span class="box cue finding" data-cue="4">null case finding</span>
      </div></div><div class="caption" id="caption"></div><div class="ticks"><i></i><i></i><i></i><i></i></div></div>

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.tracking{flex-direction:column;gap:3px}.tracking-lane{display:flex;align-items:center;gap:4px;width:100%;flex:1;min-height:0}.tracking-lane b{width:52px;flex:none}.tracking-lane .box{width:17%;height:100%;min-height:0}.tracking-lane>span:last-child:not(.box){margin-left:auto;color:var(--muted)}.tracking-note{width:100%;text-align:center;color:var(--accent);min-height:16px}
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@media(max-width:350px){.demo{padding:8px}.diagram{font-size:12px}.folder{gap:2px}.folder small{display:none}.arrow{font-size:15px}.graph-row b{width:38px}.diff-card{padding:3px 5px}}

const moments=[{"focus":0,"label":"Start from changed code"},{"focus":1,"label":"Follow a caller"},{"focus":3,"label":"Check a relevant test"},{"focus":4,"label":"Attach evidence to a finding"}];let n=0;const cues=[...document.querySelectorAll('[data-cue]')],ticks=[...document.querySelectorAll('.ticks i')],caption=document.getElementById('caption'),dynamic=document.querySelector('.dynamic');function show(){const m=moments[n];cues.forEach(el=>el.classList.toggle('active',el.dataset.cue.split(',').includes(String(m.focus))));if(dynamic&&m.cells)dynamic.textContent=m.cells[m.cells.length-1];ticks.forEach((el,i)=>el.classList.toggle('active',i===n));caption.textContent=m.label;n=(n+1)%moments.length}show();let timer=setInterval(show,1050);document.querySelector('.demo').addEventListener('pointerdown',()=>{clearInterval(timer);show()})