Docs: Update benchmark for test 4

tests/4_hexchain_pipeline/outputs/anthropic_claude-sonnet-4.6.js

@@ -0,0 +1,64 @@
+async function hexchain(tomlString) {
+  const [
+    { parse },
+    { default: seedrandom },
+    ss,
+    { default: Ajv },
+    { default: textTable },
+    { default: DOMPurify },
+  ] = 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 = parse(tomlString);
+
+  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(validate.errors) };
+  }
+
+  const rng = new seedrandom(config.seed);
+  const numbers = Array.from({ length: config.count }, () => rng());
+
+  const round6 = (n) => Math.round(n * 1e6) / 1e6;
+  const mean = round6(ss.mean(numbers));
+  const stddev = round6(ss.standardDeviation(numbers));
+  const median = round6(ss.median(numbers));
+
+  const tableString = textTable([
+    ["Stat", "Value"],
+    ["mean", String(mean)],
+    ["stddev", String(stddev)],
+    ["median", String(median)],
+  ]);
+
+  const sanitizedHTML = DOMPurify.sanitize(
+    `<pre class="stats">${tableString}</pre>`
+  );
+
+  return {
+    valid: true,
+    label: config.label,
+    stats: { mean, stddev, median },
+    table: sanitizedHTML,
+    count: config.count,
+  };
+}
+export default hexchain;
+// Generation time: 5.576s
+// Result: PASS