Docs: Update benchmark for google/gemini-3.5-flash

tests/3_signal_pipeline/outputs/google_gemini-3.5-flash.js

@@ -0,0 +1,52 @@
+export async function analyzeSignal(yamlStr) {
+  const [yamlMod, mathMod, ndarrayMod, fftMod, purifyMod] = 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 yaml = yamlMod.load || yamlMod.default;
+  const { sin, pi, sqrt } = mathMod.default || mathMod;
+  const ndarray = ndarrayMod.default || ndarrayMod;
+  const fft = fftMod.default || fftMod;
+  const DOMPurify = purifyMod.default || purifyMod;
+
+  const { sampleRate, duration, components } = yaml(yamlStr);
+  const N = sampleRate * duration;
+
+  const signal = Array.from({ length: N }, (_, i) => {
+    const t = i / sampleRate;
+    return components.reduce((sum, { frequency, amplitude }) => 
+      sum + amplitude * sin(2 * pi * frequency * t), 0
+    );
+  });
+
+  const real = ndarray(new Float64Array(signal), [N]);
+  const imag = ndarray(new Float64Array(N), [N]);
+  fft(1, real, imag);
+
+  const peaks = [];
+  const halfN = N / 2;
+  for (let k = 0; k <= halfN; k++) {
+    const mag = sqrt(real.get(k) ** 2 + imag.get(k) ** 2) / halfN;
+    if (mag > 0.1) {
+      peaks.push({
+        frequencyHz: Math.round((k * sampleRate) / N),
+        magnitude: +mag.toFixed(2)
+      });
+    }
+  }
+
+  peaks.sort((a, b) => b.magnitude - a.magnitude);
+
+  const rows = peaks.map(p => `<tr><td>${p.frequencyHz}</td><td>${p.magnitude}</td></tr>`).join('');
+  const table = `<table><tr><th>Frequency (Hz)</th><th>Magnitude</th></tr>${rows}</table>`;
+  const html = DOMPurify.sanitize(table);
+
+  return { peaks, html, signalLength: N };
+}
+export default analyzeSignal;
+// Generation time: 35.362s
+// Result: PASS