Docs: Update benchmark for google/gemini-3.1-flash-lite

tests/3_signal_pipeline/outputs/google_gemini-3.1-flash-lite.js

@@ -0,0 +1,40 @@
+async function analyzeSignal(yamlStr) {
+  const [yaml, math, { default: ndarray }, fft, { sanitize }] = await Promise.all([
+    import('https://esm.sh/js-yaml'),
+    import('https://esm.sh/mathjs'),
+    import('https://esm.sh/ndarray'),
+    import('https://esm.sh/ndarray-fft'),
+    import('https://esm.sh/dompurify')
+  ]);
+
+  const cfg = yaml.load(yamlStr);
+  const N = cfg.sampleRate * cfg.duration;
+  const real = ndarray(new Float64Array(N));
+  const imag = ndarray(new Float64Array(N));
+
+  for (let i = 0; i < N; i++) {
+    const t = i / cfg.sampleRate;
+    const v = cfg.components.reduce((acc, c) => 
+      acc + c.amplitude * math.sin(2 * math.pi * c.frequency * t), 0);
+    real.set(i, v);
+  }
+
+  fft(1, real, imag);
+
+  const peaks = [];
+  for (let k = 0; k <= N / 2; k++) {
+    const mag = math.sqrt(real.get(k) ** 2 + imag.get(k) ** 2) / (N / 2);
+    if (mag > 0.1) peaks.push({ frequencyHz: Math.round(k * cfg.sampleRate / N), magnitude: +mag.toFixed(2) });
+  }
+
+  peaks.sort((a, b) => b.magnitude - a.magnitude);
+
+  let html = '<table><tr><th>Frequency (Hz)</th><th>Magnitude</th></tr>';
+  peaks.forEach(p => html += `<tr><td>${p.frequencyHz}</td><td>${p.magnitude}</td></tr>`);
+  html += '</table>';
+
+  return { peaks, html: sanitize(html), signalLength: N };
+}
+export default analyzeSignal;
+// Generation time: 1.769s
+// Result: FAIL