Docs: Update benchmark for z-ai/glm-5.1

tests/4_hexchain_pipeline/outputs/z-ai_glm-5.1.js

@@ -0,0 +1,42 @@
+async function hexchain(tomlStr) {
+  const [{ parse }, { default: seedrandom }, ss, { default: Ajv }, { default: table }, { 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(tomlStr)
+  const ajv = new Ajv()
+  if (!ajv.validate({
+    type: 'object',
+    required: ['seed', 'count', 'label'],
+    properties: {
+      seed: { type: 'string' },
+      count: { type: 'integer', minimum: 1, maximum: 10000 },
+      label: { type: 'string', minLength: 1 }
+    }
+  }, config)) return { valid: false, errors: ajv.errorsText() }
+  const rng = new seedrandom(config.seed)
+  const nums = Array.from({ length: config.count }, () => rng())
+  const mean = +ss.mean(nums).toFixed(6)
+  const stddev = +ss.standardDeviation(nums).toFixed(6)
+  const median = +ss.median(nums).toFixed(6)
+  const tableStr = table([
+    ['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">${tableStr}</pre>`),
+    count: config.count
+  }
+}
+export default hexchain;
+// Generation time: 101.900s
+// Result: PASS