Docs: Update benchmark for openrouter/hunter-alpha

tests/9_stream_visualizer/outputs/openrouter_hunter-alpha.js

@@ -0,0 +1,36 @@
+async function createStreamVisualizer(asyncIterable, options) {
+  const { maxPoints, alpha, width, height, yDomain } = options;
+  const data = [];
+  let ema;
+
+  for await (const point of asyncIterable) {
+    if (ema === undefined) {
+      ema = point.value;
+    } else {
+      ema = alpha * point.value + (1 - alpha) * ema;
+    }
+
+    data.push({ timestamp: point.timestamp, value: point.value, ema });
+    if (data.length > maxPoints) {
+      data.shift();
+    }
+  }
+
+  if (data.length === 0) {
+    return { data, path: '' };
+  }
+
+  const d3 = await import('https://cdn.jsdelivr.net/npm/d3@7/+esm');
+  const xDomain = [data[0].timestamp, data[data.length - 1].timestamp];
+  const xScale = d3.scaleLinear().domain(xDomain).range([0, width]);
+  const yScale = d3.scaleLinear().domain(yDomain).range([height, 0]);
+
+  const lineGenerator = d3.line()
+    .x(d => xScale(d.timestamp))
+    .y(d => yScale(d.ema));
+
+  return { data, path: lineGenerator(data) };
+}
+export default createStreamVisualizer;
+// Generation time: 21.308s
+// Result: PASS