Docs: Update benchmark for google/gemini-3.1-flash-lite

tests/4_hexchain_pipeline/outputs/google_gemini-3.1-flash-lite.js

@@ -0,0 +1,54 @@
+async function hexchain(tomlStr) {
+  const [
+    { parse },
+    { default: seedrandom },
+    { mean, standardDeviation, median },
+    { default: Ajv },
+    { default: table },
+    { 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(tomlStr);
+  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 nums = Array.from({ length: config.count }, rng);
+  const round = n => +(n.toFixed(6));
+  const stats = { mean: round(mean(nums)), stddev: round(standardDeviation(nums)), median: round(median(nums)) };
+  
+  const tbl = table([
+    ['Stat', 'Value'],
+    ['mean', String(stats.mean)],
+    ['stddev', String(stats.stddev)],
+    ['median', String(stats.median)]
+  ]);
+
+  return {
+    valid: true,
+    label: config.label,
+    stats,
+    table: DOMPurify.sanitize(`<pre class="stats">${tbl}</pre>`),
+    count: config.count
+  };
+}
+export default hexchain;
+// Generation time: 1.959s
+// Result: FAIL