Docs: Update benchmark for test 12

tests/12_mst_pipeline/outputs/anthropic_claude-opus-4.5 TEMP_0.7.js

@@ -0,0 +1,58 @@
+async function computeMST(tomlString) {
+  const [
+    { parse },
+    { default: Heap },
+    textTable
+  ] = await Promise.all([
+    import('https://esm.sh/smol-toml'),
+    import('https://esm.sh/mnemonist/heap'),
+    import('https://esm.sh/text-table')
+  ]);
+
+  const { edges } = parse(tomlString);
+
+  const heap = new Heap((a, b) => a.weight - b.weight);
+  const nodes = new Set();
+
+  for (const e of edges) {
+    heap.push(e);
+    nodes.add(e.from);
+    nodes.add(e.to);
+  }
+
+  const parent = {}, rank = {};
+  for (const n of nodes) {
+    parent[n] = n;
+    rank[n] = 0;
+  }
+
+  const find = x => parent[x] === x ? x : (parent[x] = find(parent[x]));
+
+  const union = (x, y) => {
+    const px = find(x), py = find(y);
+    if (px === py) return false;
+    if (rank[px] < rank[py]) parent[px] = py;
+    else if (rank[px] > rank[py]) parent[py] = px;
+    else { parent[py] = px; rank[px]++; }
+    return true;
+  };
+
+  const mst = [];
+  let total = 0;
+  const target = nodes.size - 1;
+
+  while (mst.length < target && heap.size) {
+    const { from, to, weight } = heap.pop();
+    if (union(from, to)) {
+      mst.push([from, to, String(weight)]);
+      total += weight;
+    }
+  }
+
+  const table = textTable([['From', 'To', 'Weight'], ...mst]);
+
+  return { table, totalWeight: total };
+}
+export default computeMST;
+// Generation time: 6.257s
+// Result: FAIL