Docs: Update benchmark results

tests/9_stream_visualizer/outputs/anthropic_claude-sonnet-4.5 TEMP_0.7.js

@@ -0,0 +1,30 @@
+export async function createStreamVisualizer(asyncIterable, options) {
+  const { maxPoints, alpha, width, height, yDomain } = options;
+  const d3 = await import('https://cdn.jsdelivr.net/npm/d3@7/+esm');
+  
+  const data = [];
+  let prevEma;
+  
+  for await (const { timestamp, value } of asyncIterable) {
+    const ema = prevEma === undefined ? value : alpha * value + (1 - alpha) * prevEma;
+    data.push({ timestamp, value, ema });
+    if (data.length > maxPoints) data.shift();
+    prevEma = ema;
+  }
+  
+  const xScale = d3.scaleLinear()
+    .domain([data[0].timestamp, data[data.length - 1].timestamp])
+    .range([0, width]);
+  
+  const yScale = d3.scaleLinear()
+    .domain(yDomain)
+    .range([height, 0]);
+  
+  const path = d3.line()
+    .x(d => xScale(d.timestamp))
+    .y(d => yScale(d.ema))
+    (data);
+  
+  return { data, path };
+}
+export default createStreamVisualizer;