OpenAPI 기기 인가 흐름

<div class="viz"><h3>DEVICE AUTHORIZATION</h3><div class="device-row"><div class="box">device<br><b id="code">CODE K7</b></div><div class="box" id="approve">browser<br>waiting</div><div class="box" id="token">token<br>pending</div></div><div class="muted" id="device-note">show code on device</div></div>

.viz{width:94%;height:88%;max-width:960px;padding:clamp(10px,2vmin,18px);border:1px solid var(--line);border-radius:14px;background:var(--surface);font:600 clamp(12px,1.35vw,16px)/1.35 var(--font-sans,system-ui,sans-serif);display:flex;flex-direction:column;gap:clamp(7px,1.8vmin,13px);overflow:hidden}.viz h3{margin:0;color:var(--accent);font:700 clamp(12px,1.35vw,16px)/1.2 var(--font-sans,system-ui,sans-serif);letter-spacing:.04em}.viz .row{display:flex;align-items:center;justify-content:center;gap:clamp(5px,1.4vmin,12px);flex:1;min-height:0}.viz .box{padding:clamp(5px,1.5vmin,12px);border:1px solid var(--line);border-radius:9px;background:var(--bg);text-align:center}.viz .muted{color:var(--muted)}.viz .accent{color:var(--accent)}.viz .code{font-family:ui-monospace,monospace}.viz .pill{padding:3px 7px;border:1px solid var(--line);border-radius:99px;white-space:nowrap}.viz .active{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--surface))}.viz .arrow{color:var(--accent);font:700 18px ui-monospace,monospace}.device-row{display:flex;align-items:center;justify-content:center;gap:7px;flex:1}.device-row .box{min-width:25%;transition:border-color .3s,background .3s}.device-row .on{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,var(--surface))}#code{color:var(--accent);font:700 12px ui-monospace,monospace}

const states=[['waiting','pending','show code on device',0],['approved','pending','user approves in browser',1],['approved','issued','device receives token',2]];let n=0;function draw(){const s=states[n];document.getElementById('approve').innerHTML='browser<br>'+s[0];document.getElementById('token').innerHTML='token<br>'+s[1];document.getElementById('device-note').textContent=s[2];document.querySelectorAll('.device-row .box').forEach((el,i)=>el.classList.toggle('on',i===s[3]));n=(n+1)%states.length}draw();setInterval(draw,850)