Docs: Update benchmark for test 4

tests/4_hexchain_pipeline/outputs/minimax_minimax-m2.5.js

@@ -0,0 +1,64 @@
+export async function hexchain(toml) {
+  const [
+    { default: parseToml },
+    { default: SR },
+    { default: ss },
+    { default: Ajv },
+    { default: tableFmt },
+    { default: purify },
+  ] = await Promise.all([
+    import('https://esm.sh/smol-toml'),
+    import('https://esm.sh/seedrandom'),
+    import('https://esm.sh/simple-statistics'),
+    import('https://esm.sh/ajv'),
+    import('https://esm.sh/text-table'),
+    import('https://esm.sh/dompurify'),
+  ]);
+
+  const config = parseToml(toml);
+  const ajv = new Ajv();
+  const validate = ajv.compile({
+    type: 'object',
+    required: ['seed', 'count', 'label'],
+    properties: {
+      seed: { type: 'string' },
+      count: { type: 'integer', minimum: 1, maximum: 10000 },
+      label: { type: 'string', minLength: 1 },
+    },
+  });
+
+  if (!validate(config))
+    return { valid: false, errors: ajv.errorsText() };
+
+  const rng = new SR(config.seed);
+  const nums = Array.from({ length: config.count }, () => rng());
+
+  const mean = ss.mean(nums);
+  const stddev = ss.standardDeviation(nums);
+  const median = ss.median(nums);
+
+  const r = (v) => Math.round(v * 1e6) / 1e6;
+  const meanR = r(mean);
+  const stddevR = r(stddev);
+  const medianR = r(median);
+
+  const table = tableFmt([
+    ['Stat', 'Value'],
+    ['mean', String(meanR)],
+    ['stddev', String(stddevR)],
+    ['median', String(medianR)],
+  ]);
+
+  const html = '<pre class="stats">' + table + '</pre>';
+
+  return {
+    valid: true,
+    label: config.label,
+    stats: { mean: meanR, stddev: stddevR, median: medianR },
+    table: purify.sanitize(html),
+    count: config.count,
+  };
+}
+export default hexchain;
+// Generation time: 139.541s
+// Result: FAIL