diff --git a/demo/index.html b/demo/index.html
index 380bbb2..706f4d3 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -4,7 +4,7 @@
 /* LocalAI house style: dark graphite surfaces with a cyan/violet edge. */
 :root{--la-bg:#080b0f;--la-panel:#10151b;--la-panel-2:#151c23;--la-line:#25313b;--la-text:#f3f6f4;--la-muted:#8b9aa5;--la-cyan:#3bd3d0;--la-cyan-2:#5ee6be;--la-violet:#9f7aea}body{background:var(--la-bg);color:var(--la-text)}.sidebar{background:radial-gradient(circle at 18% 0,rgba(59,211,208,.12),transparent 26rem),var(--la-panel);border-color:var(--la-line);box-sizing:border-box;min-height:0;min-width:0}.card{background:var(--la-panel-2);border-color:var(--la-line)}.stage{background:#090d12}canvas{background:radial-gradient(circle at 50% 25%,#102632 0,#090d12 56%)}.eyebrow{color:var(--la-cyan);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.product-title{display:flex;align-items:center;gap:11px}.product-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--la-cyan),#218eac 55%,var(--la-violet));color:#051013;font-size:20px;font-weight:900;box-shadow:0 0 28px rgba(59,211,208,.2)}.localai-logo{position:fixed;top:18px;right:18px;z-index:2;width:56px;height:56px;object-fit:contain;filter:drop-shadow(0 5px 16px #0009)}.promptbox label,.gallery h2{color:var(--la-text)}textarea,input{border-color:var(--la-line);background:#0b1015}button{background:linear-gradient(135deg,var(--la-cyan),var(--la-cyan-2));color:#051013;border-radius:8px;box-shadow:0 8px 22px rgba(59,211,208,.12)}.history,.gallery,#items{min-width:0}.item{background:#0b1015;border-color:var(--la-line);box-sizing:border-box;min-width:0;white-space:normal;overflow-wrap:anywhere}.item:hover,.item.active{border-color:var(--la-cyan);background:#111d24}.status,.readout,.hint,.camera{color:var(--la-muted)}.progress{color:var(--la-cyan-2)}.progress::before{background:var(--la-cyan);box-shadow:0 0 0 0 var(--la-cyan)}.item.running{border-color:var(--la-cyan)}
 </style><main><aside class="sidebar"><header><div class="eyebrow">Kimodo-SMPLX-RP-v1 · Vulkan</div><div class="product-title"><span class="product-mark">K</span><h1>Text to motion</h1></div></header><section class="card promptbox"><label for="prompt">Describe a motion</label><textarea id="prompt">A person runs forward and then leaps over an obstacle in front of them.</textarea><button id="generate">Generate motion</button><span id="status" class="readout">Ready</span><div class="hint">One generation runs at a time. Select an animation below to restore and edit its prompt.</div></section><section class="card history"><div class="gallery"><h2>Past animations</h2><div id="items" class="readout">Loading…</div></div></section></aside><section class="stage"><canvas id="view" width="1280" height="720" aria-label="Animated SMPL-X skeleton"></canvas><div class="controls"><button id="play">Pause</button><button id="reset">Reset view</button><a id="download" class="download" hidden download>Download GLB</a><input id="frame" type="range" min="0" value="0" step="1"><span id="frameText" class="readout"></span><span class="camera">Camera tracks motion · Drag: rotate · wheel: zoom · Shift/right-drag: pan · double-click: reset</span></div></section></main><img class="localai-logo" src="/localai.png" alt="LocalAI">
-<style>.promptbox,.history{flex:0 0 auto}.license-warning{color:#ffbf78!important;font-weight:650}</style>
+<style>.promptbox,.history{flex:0 0 auto}.license-warning{color:#ffbf78!important;font-weight:650}.download{display:inline-flex;align-items:center;gap:7px;background:linear-gradient(135deg,var(--la-cyan),var(--la-cyan-2));color:#051013;box-shadow:0 8px 22px rgba(59,211,208,.18)}.download::before{content:'\2193';font-size:1.15em;line-height:1}</style>
 <script src="/models.js"></script><script>
 let parents=[-1,0,0,0,1,2,3,4,5,6,7,8,9,9,9,12,13,14,16,17,18,19];
 // SMPL-X22 rest offsets calibrated from the captured upstream posed-joint /
@@ -18,4 +18,4 @@ function pose(){if(!selected||!root||!rotations)return[];const positions=[],glob
 function ground(){const cx=0,cz=0,step=.5,initialExtent=6,drawGrid=(extent,alpha,colour,width)=>{ctx.globalAlpha=alpha;ctx.strokeStyle=colour;ctx.lineWidth=width;for(let i=-extent/step;i<=extent/step;i++){let a=project([cx-extent,0,cz+i*step]),b=project([cx+extent,0,cz+i*step]);ctx.beginPath();ctx.moveTo(a[0],a[1]);ctx.lineTo(b[0],b[1]);ctx.stroke();a=project([cx+i*step,0,cz-extent]),b=project([cx+i*step,0,cz+extent]);ctx.beginPath();ctx.moveTo(a[0],a[1]);ctx.lineTo(b[0],b[1]);ctx.stroke()}};const[x,,z]=renderedRoot(),rootDistance=Math.max(Math.abs(x),Math.abs(z)),outerAlpha=.72*Math.max(0,Math.min(1,(rootDistance-3.5)/2.5));if(outerAlpha)drawGrid(18,outerAlpha,'#173943',1);drawGrid(initialExtent,1,'#173943',2);ctx.globalAlpha=1;ctx.strokeStyle='#23606b';ctx.lineWidth=3;const xAxis=project([cx-initialExtent,0,cz]),zAxis=project([cx,0,cz-initialExtent]),xEnd=project([cx+initialExtent,0,cz]),zEnd=project([cx,0,cz+initialExtent]);ctx.beginPath();ctx.moveTo(xAxis[0],xAxis[1]);ctx.lineTo(xEnd[0],xEnd[1]);ctx.moveTo(zAxis[0],zAxis[1]);ctx.lineTo(zEnd[0],zEnd[1]);ctx.stroke()}function draw(){ctx.clearRect(0,0,canvas.width,canvas.height);const p=pose();ground();if(p.length){ctx.lineCap='round';for(let pass=0;pass<2;pass++){ctx.strokeStyle=pass?'#65eee1':'#071014';ctx.lineWidth=pass?7:13;for(let i=1;i<parents.length;i++){const a=project(p[i]),b=project(p[parents[i]]);ctx.beginPath();ctx.moveTo(a[0],a[1]);ctx.lineTo(b[0],b[1]);ctx.stroke()}}for(const x of p){const a=project(x);ctx.fillStyle='#071014';ctx.beginPath();ctx.arc(a[0],a[1],7,0,Math.PI*2);ctx.fill();ctx.fillStyle='#ecfffd';ctx.beginPath();ctx.arc(a[0],a[1],4,0,Math.PI*2);ctx.fill()}}slider.value=frame;document.querySelector('#frameText').textContent=selected?`frame ${frame+1} / ${selected.frames}`:'No animation selected'}function tick(t){if(selected){const interval=1000/30;if(!last)last=t;if(playing){while(t-last>=interval){frame=(frame+1)%selected.frames;last+=interval}playbackBlend=Math.min(1,(t-last)/interval)}else playbackBlend=0;updateCamera(t);draw()}requestAnimationFrame(tick)}
 async function select(a){if(a.status!=='ready')return;selected=a;download.href=`/api/animations/${a.id}/animation.glb`;download.download=`kimodo-${a.id}.glb`;download.hidden=false;promptBox.value=a.prompt;window.dispatchEvent(new CustomEvent('kimodo:restore-sequence',{detail:{segments:a.segments,model:a.model}}));status.className='readout';status.textContent=`Selected ${a.id.slice(0,8)} · sequence restored`;[root,rotations]=await Promise.all([fetch(`/api/animations/${a.id}/root.f32`).then(r=>r.arrayBuffer()).then(b=>new Float32Array(b)),fetch(`/api/animations/${a.id}/rotations.f32`).then(r=>r.arrayBuffer()).then(b=>new Float32Array(b))]);frame=0;playbackBlend=0;last=performance.now();snapCamera();slider.max=a.frames-1;renderGallery();draw()}function renderGallery(){if(!animations.length){items.textContent='No animations yet.';return}items.replaceChildren(...animations.map(a=>{const b=document.createElement('button');b.className='item '+a.status+(selected?.id===a.id?' active':'');b.disabled=a.status!=='ready';b.innerHTML=`<p>${a.prompt}</p><span class="status">${a.status} · ${a.frames} frames · ${a.diffusion_steps} steps</span>${a.error?`<div class="error">${a.error}</div>`:''}`;b.onclick=()=>select(a);return b}))}function showProgress(){const a=animations.find(a=>a.id===activeRequest);if(!a)return;if(a.status==='ready'){status.className='readout';status.textContent='Generation complete — select it from the gallery to play it.';activeRequest=undefined;generate.disabled=false;return}if(a.status==='failed'){status.className='error';status.textContent=`Generation failed: ${a.error}`;activeRequest=undefined;generate.disabled=false;return}const seconds=Math.max(0,Math.floor((Date.now()-activeStarted)/1000));status.className='readout progress';status.textContent=a.status==='running'?`Generating motion… ${seconds}s elapsed`:`Queued for generation… ${seconds}s elapsed`;generate.disabled=true}async function refresh(){animations=await fetch('/api/animations').then(r=>r.json());renderGallery();showProgress()}generate.onclick=async()=>{const prompt=promptBox.value.trim();if(!prompt)return;generate.disabled=true;status.className='readout progress';status.textContent='Submitting generation…';try{const r=await fetch('/api/generate',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({prompt,frames:150,steps:100,seed:0})});if(!r.ok)throw new Error(await r.text());const a=await r.json();activeRequest=a.id;activeStarted=Date.now();await refresh()}catch(e){status.className='error';status.textContent=e.message;generate.disabled=false}};
 document.querySelector('#play').onclick=e=>{playing=!playing;last=performance.now();playbackBlend=0;e.target.textContent=playing?'Pause':'Play'};slider.oninput=()=>{frame=Number(slider.value);playbackBlend=0;last=performance.now();draw()};document.querySelector('#reset').onclick=reset;canvas.addEventListener('dblclick',reset);canvas.addEventListener('contextmenu',e=>e.preventDefault());let drag;canvas.addEventListener('pointerdown',e=>{canvas.setPointerCapture(e.pointerId);drag={x:e.clientX,y:e.clientY,pan:e.button===2||e.shiftKey};canvas.classList.add('dragging')});canvas.addEventListener('pointermove',e=>{if(!drag)return;const dx=e.clientX-drag.x,dy=e.clientY-drag.y;drag.x=e.clientX;e.clientY;drag.y=e.clientY;if(drag.pan){view.panX+=dx;view.panY+=dy}else{view.yaw+=dx*.008;view.pitch=Math.max(-1.25,Math.min(1.25,view.pitch+dy*.008))}draw()});function end(){drag=undefined;canvas.classList.remove('dragging')}canvas.addEventListener('pointerup',end);canvas.addEventListener('pointercancel',end);canvas.addEventListener('wheel',e=>{e.preventDefault();view.zoom=Math.max(350,Math.min(3600,view.zoom*Math.exp(-e.deltaY*.001)));draw()},{passive:false});refresh().then(()=>{const a=animations.find(a=>a.status==='ready');if(a)return select(a);draw()});setInterval(refresh,2500);requestAnimationFrame(tick);
-</script></html>
+</script><script>document.querySelector('#download').textContent='Download animated GLB';document.querySelector('#download').title='Download the selected motion as an animated GLB';</script></html>