Docs: Update benchmark results

tests/6_csv_processor/outputs/google_gemini-3-pro-preview TEMP_0.35.js

@@ -0,0 +1,19 @@
+export const processCSV = async (csvString, { filterColumn, filterValue, groupBy, aggregateColumn, operation }) => {
+  const [{ csvParse }, { rollup, sum, mean }] = await Promise.all([
+    import('https://esm.sh/d3-dsv'),
+    import('https://esm.sh/d3-array')
+  ]);
+
+  const getValue = d => +(d[aggregateColumn]) || 0;
+  
+  const grouped = rollup(
+    csvParse(csvString).filter(row => row[filterColumn] == filterValue),
+    group => operation === 'count' 
+      ? group.length 
+      : (operation === 'sum' ? sum : mean)(group, getValue),
+    row => row[groupBy]
+  );
+
+  return Array.from(grouped, ([key, result]) => ({ [groupBy]: key, result }));
+};
+export default processCSV;