Docs: Update benchmark for minimax/minimax-m2.1

tests/9_stream_visualizer/outputs/minimax_minimax-m2.1.js

@@ -0,0 +1,43 @@
+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 = null;
+
+  for await (const point of asyncIterable) {
+    const { timestamp, value } = point;
+    const ema = prevEma === null
+      ? value
+      : alpha * value + (1 - alpha) * prevEma;
+    prevEma = ema;
+
+    data.push({ timestamp, value, ema });
+    if (data.length > maxPoints) {
+      data.shift();
+    }
+  }
+
+  if (data.length === 0) {
+    return { data: [], path: '' };
+  }
+
+  const [first, last] = [data[0], data[data.length - 1]];
+  const xScale = d3.scaleLinear()
+    .domain([first.timestamp, last.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))
+    .curve(d3.curveLinear)(data);
+
+  return { data, path };
+}
+export default createStreamVisualizer;
+// Generation time: 20.632s
+// Result: PASS