Docs: Update benchmark for anthropic/claude-sonnet-5 EFF:high

tests/9_stream_visualizer/outputs/anthropic_claude-sonnet-5 EFF_high.js

@@ -0,0 +1,32 @@
+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) {
+    prevEma = prevEma === undefined ? value : alpha * value + (1 - alpha) * prevEma;
+    data.push({ timestamp, value, ema: prevEma });
+    if (data.length > maxPoints) data.shift();
+  }
+
+  if (!data.length) return { data, path: '' };
+
+  const x = d3.scaleLinear()
+    .domain([data[0].timestamp, data[data.length - 1].timestamp])
+    .range([0, width]);
+
+  const y = d3.scaleLinear()
+    .domain(yDomain)
+    .range([height, 0]);
+
+  const line = d3.line()
+    .x(d => x(d.timestamp))
+    .y(d => y(d.ema));
+
+  return { data, path: line(data) };
+}
+export default createStreamVisualizer;
+// Generation time: 5.834s
+// Result: PASS