Docs: Update Gemini benchmark results

tests/9_stream_visualizer/outputs_gemini/gemini-3-pro-preview TEMP_0.5.js

@@ -1,29 +1,27 @@
-export const createStreamVisualizer = async (iter, { maxPoints, alpha, width, height, yDomain }) => {
-  const { scaleTime, scaleLinear, line } = await import('https://esm.sh/d3@7');
-  const data = [];
-  let prev;
+export const createStreamVisualizer = async (feed, { maxPoints: m, alpha: a, width: w, height: h, yDomain: yd }) => {
+  const { scaleLinear, line } = await import('https://esm.sh/d3');
+  let data = [], ema;
 
-  for await (const { timestamp, value } of iter) {
-    const ema = prev == null ? value : alpha * value + (1 - alpha) * prev;
-    prev = ema;
-    data.push({ timestamp, value, ema });
-    if (data.length > maxPoints) data.shift();
+  for await (const { timestamp: t, value: v } of feed) {
+    ema = ema == null ? v : a * v + (1 - a) * ema;
+    data.push({ timestamp: t, value: v, ema });
+    if (data.length > m) data.shift();
   }
 
   if (!data.length) return { data, path: "" };
 
-  const x = scaleTime()
+  const x = scaleLinear()
     .domain([data[0].timestamp, data.at(-1).timestamp])
-    .range([0, width]);
+    .range([0, w]);
 
   const y = scaleLinear()
-    .domain(yDomain)
-    .range([height, 0]);
+    .domain(yd)
+    .range([h, 0]);
 
-  const d = line()
-    .x(p => x(p.timestamp))
-    .y(p => y(p.ema))(data);
+  const gen = line()
+    .x(d => x(d.timestamp))
+    .y(d => y(d.ema));
 
-  return { data, path: d };
+  return { data, path: gen(data) };
 };
 export default createStreamVisualizer;