Docs: Update benchmark for google/gemini-3.8-flash EFF:high

tests/11_geospatial/outputs/google_gemini-3.8-flash EFF_high.js

@@ -0,0 +1,15 @@
+export async function analyzeGPS(readings, boundary) {
+  const turf = await import('https://esm.sh/@turf/turf');
+
+  const pts = readings
+    .filter(r => turf.booleanPointInPolygon(r.loc, boundary, { ignoreBoundary: true }))
+    .sort((a, b) => a.ts - b.ts)
+    .map(r => r.loc);
+
+  return pts.length < 2
+    ? 0
+    : +turf.length(turf.lineString(pts), { units: 'kilometers' }).toFixed(2);
+}
+export default analyzeGPS;
+// Generation time: 24.485s
+// Result: PASS