diff --git a/services/web-ui/public/visuals.jsx b/services/web-ui/public/visuals.jsx
index 754d245..b69988f 100644
--- a/services/web-ui/public/visuals.jsx
+++ b/services/web-ui/public/visuals.jsx
@@ -1,32 +1,47 @@
-// visuals.jsx - reusable visual elements: thumbnails, waveforms, sparklines, filmstrips
+// visuals.jsx - reusable visual elements
 
-function AssetThumb({ asset, size = "md" }) {
-  const aspect = size === "tall" ? "9 / 16" : "16 / 9";
-  const seed = asset.seed || 1;
+const _thumbCache = new Map();
 
-  if (asset.type === "audio") {
+function AssetThumb({ asset, size = 'md' }) {
+  const aspect = size === 'tall' ? '9 / 16' : '16 / 9';
+  const [thumbUrl, setThumbUrl] = React.useState(_thumbCache.get(asset.id) || null);
+
+  React.useEffect(() => {
+    if (!asset.id || thumbUrl || !asset.thumbnail_s3_key) return;
+    let cancelled = false;
+    fetch('/api/v1/assets/' + asset.id + '/thumbnail', { credentials: 'include' })
+      .then(r => r.ok ? r.json() : null)
+      .then(d => { if (!cancelled && d && d.url) { _thumbCache.set(asset.id, d.url); setThumbUrl(d.url); } })
+      .catch(() => {});
+    return () => { cancelled = true; };
+  }, [asset.id, asset.thumbnail_s3_key]);
+
+  if (asset.type === 'audio' || asset.media_type === 'audio') {
     return (
       <div className="asset-thumb audio" style={{ aspectRatio: aspect }}>
-        <Waveform seed={seed} />
-        <div className="thumb-overlay">
-          <Icon name="audio" size={20} style={{ opacity: 0.9 }} />
-        </div>
+        <Waveform seed={asset.id ? asset.id.charCodeAt(0) % 60 : 1} />
+        <div className="thumb-overlay"><Icon name="audio" size={20} style={{ opacity: 0.9 }} /></div>
       </div>
     );
   }
 
   return (
-    <div className="asset-thumb" style={{ background: "var(--bg-2)", aspectRatio: aspect }}>
-      <FauxFrame seed={seed} />
+    <div className="asset-thumb" style={{ background: 'var(--bg-2)', aspectRatio: aspect, overflow: 'hidden', position: 'relative' }}>
+      {thumbUrl
+        ? <img src={thumbUrl} alt="" style={{ width: '100%', height: '100%', objectFit: 'cover', display: 'block' }} />
+        : <FauxFrame />}
+      {asset.status === 'live' && (
+        <div style={{ position: 'absolute', inset: 0, border: '2px solid var(--live)', pointerEvents: 'none' }} />
+      )}
     </div>
   );
 }
 
 function FauxFrame({ seed }) {
-  return <div className="thumb-svg" style={{ background: "var(--bg-1)" }} />;
+  return <div className="thumb-svg" style={{ background: 'var(--bg-1)' }} />;
 }
 
-function Waveform({ seed = 1, color = "var(--accent)", className = "" }) {
+function Waveform({ seed = 1, color = 'var(--accent)', className = '' }) {
   const bars = 60;
   const pts = React.useMemo(() => {
     return Array.from({ length: bars }).map((_, i) => {
@@ -34,9 +49,8 @@ function Waveform({ seed = 1, color = "var(--accent)", className = "" }) {
       return Math.max(0.1, Math.min(1, 0.5 + n * 0.5));
     });
   }, [seed]);
-
   return (
-    <svg viewBox="0 0 60 20" preserveAspectRatio="none" className={`waveform ${className}`}>
+    <svg viewBox="0 0 60 20" preserveAspectRatio="none" className={'waveform ' + className}>
       {pts.map((p, i) => (
         <rect key={i} x={i} y={10 - p * 9} width="0.6" height={p * 18} fill={color} rx="0.3" />
       ))}
@@ -48,17 +62,14 @@ function LiveStrip({ seed = 1, count = 8 }) {
   return (
     <div className="live-strip">
       {Array.from({ length: count }).map((_, i) => (
-        <div key={i} className="live-strip-cell" style={{ background: "var(--bg-1)" }} />
+        <div key={i} className="live-strip-cell" style={{ background: 'var(--bg-1)' }} />
       ))}
-      <div className="live-strip-now">
-        <span className="live-pulse" />
-        NOW
-      </div>
+      <div className="live-strip-now"><span className="live-pulse" />NOW</div>
     </div>
   );
 }
 
-function Sparkline({ data, color = "var(--accent)", height = 28, fill = true }) {
+function Sparkline({ data, color = 'var(--accent)', height = 28, fill = true }) {
   const max = Math.max(...data, 1);
   const min = Math.min(...data, 0);
   const range = max - min || 1;
@@ -66,11 +77,11 @@ function Sparkline({ data, color = "var(--accent)", height = 28, fill = true })
   const pts = data.map((d, i) => {
     const x = (i / (data.length - 1)) * w;
     const y = height - ((d - min) / range) * height;
-    return `${x},${y}`;
-  }).join(" ");
-  const area = `0,${height} ${pts} ${w},${height}`;
+    return x + ',' + y;
+  }).join(' ');
+  const area = '0,' + height + ' ' + pts + ' ' + w + ',' + height;
   return (
-    <svg viewBox={`0 0 ${w} ${height}`} preserveAspectRatio="none" style={{ width: "100%", height, display: "block" }}>
+    <svg viewBox={'0 0 ' + w + ' ' + height} preserveAspectRatio="none" style={{ width: '100%', height, display: 'block' }}>
       {fill && <polygon points={area} fill={color} opacity="0.15" />}
       <polyline points={pts} fill="none" stroke={color} strokeWidth="1.5" />
     </svg>
@@ -80,12 +91,12 @@ function Sparkline({ data, color = "var(--accent)", height = 28, fill = true })
 function AudioMeter({ level = 0.7, peak = 0.85, vertical = false }) {
   const segs = 20;
   return (
-    <div className={`audio-meter ${vertical ? "v" : "h"}`}>
+    <div className={'audio-meter ' + (vertical ? 'v' : 'h')}>
       {Array.from({ length: segs }).map((_, i) => {
         const v = i / segs;
         const on = v < level;
-        const color = v < 0.6 ? "var(--success)" : v < 0.85 ? "var(--warning)" : "var(--danger)";
-        return <div key={i} className="audio-seg" style={{ background: on ? color : "var(--bg-3)", opacity: on ? 1 : 0.4 }} />;
+        const color = v < 0.6 ? 'var(--success)' : v < 0.85 ? 'var(--warning)' : 'var(--danger)';
+        return <div key={i} className="audio-seg" style={{ background: on ? color : 'var(--bg-3)', opacity: on ? 1 : 0.4 }} />;
       })}
     </div>
   );
@@ -93,24 +104,23 @@ function AudioMeter({ level = 0.7, peak = 0.85, vertical = false }) {
 
 function StatusDot({ status }) {
   const map = {
-    online: { color: "var(--success)", pulse: false },
-    recording: { color: "var(--live)", pulse: true },
-    armed: { color: "var(--accent)", pulse: false },
-    idle: { color: "var(--text-4)", pulse: false },
-    error: { color: "var(--danger)", pulse: true },
-    offline: { color: "var(--text-4)", pulse: false },
-    processing: { color: "var(--warning)", pulse: true },
-    ready: { color: "var(--success)", pulse: false },
-    live: { color: "var(--live)", pulse: true },
-    queued: { color: "var(--text-3)", pulse: false },
-    running: { color: "var(--accent)", pulse: true },
-    done: { color: "var(--success)", pulse: false },
-    failed: { color: "var(--danger)", pulse: false },
+    online: { color: 'var(--success)', pulse: false },
+    recording: { color: 'var(--live)', pulse: true },
+    armed: { color: 'var(--accent)', pulse: false },
+    idle: { color: 'var(--text-4)', pulse: false },
+    error: { color: 'var(--danger)', pulse: true },
+    offline: { color: 'var(--text-4)', pulse: false },
+    processing: { color: 'var(--warning)', pulse: true },
+    ready: { color: 'var(--success)', pulse: false },
+    live: { color: 'var(--live)', pulse: true },
+    queued: { color: 'var(--text-3)', pulse: false },
+    running: { color: 'var(--accent)', pulse: true },
+    done: { color: 'var(--success)', pulse: false },
+    failed: { color: 'var(--danger)', pulse: false },
+    stopped: { color: 'var(--text-4)', pulse: false },
   };
-  const s = map[status] || { color: "var(--text-3)" };
-  return (
-    <span className={`status-dot ${s.pulse ? "pulse" : ""}`} style={{ background: s.color, boxShadow: `0 0 0 3px ${s.color}30` }} />
-  );
+  const s = map[status] || { color: 'var(--text-3)' };
+  return <span className={'status-dot ' + (s.pulse ? 'pulse' : '')} style={{ background: s.color, boxShadow: '0 0 0 3px ' + s.color + '30' }} />;
 }
 
 function Elapsed({ seconds, live = false }) {
@@ -123,7 +133,7 @@ function Elapsed({ seconds, live = false }) {
   const h = Math.floor(t / 3600);
   const m = Math.floor((t % 3600) / 60);
   const s = t % 60;
-  return <span className="mono">{String(h).padStart(2, "0")}:{String(m).padStart(2, "0")}:{String(s).padStart(2, "0")}</span>;
+  return <span className="mono">{String(h).padStart(2,'0')}:{String(m).padStart(2,'0')}:{String(s).padStart(2,'0')}</span>;
 }
 
 Object.assign(window, { AssetThumb, FauxFrame, Waveform, LiveStrip, Sparkline, AudioMeter, StatusDot, Elapsed });