Docs: Update benchmark for deepseek/deepseek-v4-pro

tests/4_hexchain_pipeline/outputs/deepseek_deepseek-v4-pro.js

@@ -0,0 +1,48 @@
+async function hexchain(t){
+  const [T,S,SS,A,B,P]=await Promise.all([
+    import('smol-toml'),
+    import('seedrandom'),
+    import('simple-statistics'),
+    import('ajv'),
+    import('text-table'),
+    import('dompurify')
+  ]);
+  const c=T.parse(t);
+  const Ajv=A.default||A,ajv=new Ajv;
+  const schema={
+    type:'object',
+    required:['seed','count','label'],
+    properties:{
+      seed:{type:'string'},
+      count:{type:'integer',minimum:1,maximum:10000},
+      label:{type:'string',minLength:1}
+    }
+  };
+  const v=ajv.compile(schema);
+  if(!v(c))return{valid:false,errors:ajv.errorsText(v.errors)};
+  const rng=new (S.default||S)(c.seed),
+        arr=Array.from({length:c.count},rng);
+  const ss=SS.default||SS;
+  let m=ss.mean(arr),d=ss.standardDeviation(arr),md=ss.median(arr);
+  m=+m.toFixed(6);
+  d=+d.toFixed(6);
+  md=+md.toFixed(6);
+  const tbl=(B.default||B)([
+    ['Stat','Value'],
+    ['mean',String(m)],
+    ['stddev',String(d)],
+    ['median',String(md)]
+  ]);
+  const purify=P.default||P,
+        h=purify.sanitize(`<pre class="stats">${tbl}</pre>`);
+  return{
+    valid:true,
+    label:c.label,
+    stats:{mean:m,stddev:d,median:md},
+    table:h,
+    count:c.count
+  };
+}
+export default hexchain;
+// Generation time: 121.732s
+// Result: FAIL