Docs: Update benchmark for openai/gpt-5.5 EFF:high

tests/4_hexchain_pipeline/outputs/openai_gpt-5.5 EFF_high.js

@@ -0,0 +1,70 @@
+const hexchainUrls = [
+  'https://esm.sh/smol-toml?bundle',
+  'https://esm.sh/seedrandom?bundle',
+  'https://esm.sh/simple-statistics?bundle',
+  'https://esm.sh/ajv?bundle',
+  'https://esm.sh/text-table?bundle',
+  'https://esm.sh/dompurify?bundle'
+];
+
+const hexchainSchema = {
+  type: 'object',
+  required: ['seed', 'count', 'label'],
+  properties: {
+    seed: { type: 'string' },
+    count: { type: 'integer', minimum: 1, maximum: 10000 },
+    label: { type: 'string', minLength: 1 }
+  }
+};
+
+let hexchainModules;
+
+async function hexchain(tomlString) {
+  const [
+    toml,
+    seedMod,
+    ssMod,
+    ajvMod,
+    tableMod,
+    purifyMod
+  ] = await (hexchainModules ||= Promise.all(hexchainUrls.map(u => import(u))));
+
+  const parse = toml.parse ?? toml.default?.parse ?? toml.default;
+  const seedrandom = seedMod.default ?? seedMod;
+  const ss = ssMod.mean ? ssMod : ssMod.default;
+  const Ajv = ajvMod.default ?? ajvMod.Ajv;
+  const textTable = tableMod.default ?? tableMod;
+  const purify = purifyMod.default ?? purifyMod;
+  const DOMPurify = purify.sanitize ? purify : purify(globalThis);
+  const config = parse(tomlString);
+  const ajv = new Ajv();
+
+  if (!ajv.validate(hexchainSchema, config))
+    return { valid: false, errors: ajv.errorsText() };
+
+  const rng = new seedrandom(config.seed);
+  const nums = Array.from({ length: config.count }, () => rng());
+  const round = n => Math.round((n + Number.EPSILON) * 1e6) / 1e6;
+  const mean = round(ss.mean(nums));
+  const stddev = round(ss.standardDeviation(nums));
+  const median = round(ss.median(nums));
+  const tableString = textTable([
+    ['Stat', 'Value'],
+    ['mean', String(mean)],
+    ['stddev', String(stddev)],
+    ['median', String(median)]
+  ]);
+
+  return {
+    valid: true,
+    label: config.label,
+    stats: { mean, stddev, median },
+    table: DOMPurify.sanitize('<pre class="stats">' + tableString + '</pre>'),
+    count: config.count
+  };
+}
+
+globalThis.hexchain = hexchain;
+export default hexchain;
+// Generation time: 137.860s
+// Result: PASS