Docs: Update benchmark for openrouter/hunter-alpha

tests/3_signal_pipeline/outputs/openrouter_hunter-alpha.js

@@ -0,0 +1,49 @@
+const analyzeSignal = async yamlStr => {
+  const [{default: yaml}, {default: math}, {default: ndarray}, {default: fft}, {default: DOMPurify}] = await Promise.all([
+    import('https://cdn.jsdelivr.net/npm/js-yaml@4.1.0/dist/js-yaml.mjs'),
+    import('https://cdn.jsdelivr.net/npm/mathjs@11.11.0/lib/browser/math.js'),
+    import('https://cdn.skypack.dev/ndarray@1.0.19'),
+    import('https://cdn.skypack.dev/ndarray-fft@1.0.3'),
+    import('https://cdn.jsdelivr.net/npm/dompurify@3.0.6/dist/purify.min.js'),
+  ])
+
+  const config = yaml.load(yamlStr)
+  const N = config.sampleRate * config.duration
+
+  const signal = Array.from({length: N}, (_, i) => {
+    const t = i / config.sampleRate
+    return config.components.reduce((sum, {frequency, amplitude}) =>
+      sum + amplitude * math.sin(2 * math.pi * frequency * t), 0)
+  })
+
+  const real = ndarray(signal)
+  const imag = ndarray(Array(N).fill(0))
+
+  fft(1, real, imag)
+
+  const magnitudes = Array.from({length: Math.floor(N / 2) + 1}, (_, k) => ({
+    magnitude: math.sqrt(real.get(k) ** 2 + imag.get(k) ** 2) / (N / 2),
+    frequencyHz: Math.round(k * config.sampleRate / N)
+  }))
+
+  const peaks = magnitudes
+    .filter(({magnitude}) => magnitude > 0.1)
+    .map(({frequencyHz, magnitude}) => ({
+      frequencyHz,
+      magnitude: Math.round(magnitude * 100) / 100
+    }))
+    .sort((a, b) => b.magnitude - a.magnitude)
+
+  const html = DOMPurify.sanitize(`
+    <table>
+      <tr><th>Frequency (Hz)</th><th>Magnitude</th></tr>
+      ${peaks.map(({frequencyHz, magnitude}) =>
+        `<tr><td>${frequencyHz}</td><td>${magnitude}</td></tr>`).join('')}
+    </table>
+  `)
+
+  return {peaks, html, signalLength: N}
+}
+export default analyzeSignal;
+// Generation time: 22.772s
+// Result: FAIL