results = {
    "correct": 18, "total": 20,
    "unsupported": 0, "schema_failures": 0,
    "p95_seconds": 2.4
}
accuracy = results["correct"] / results["total"]
release = (accuracy >= 0.90 and
           results["unsupported"] == 0 and
           results["schema_failures"] == 0 and
           results["p95_seconds"] <= 3.0)
print("Accuracy:", round(accuracy, 2))
print("Prototype gate:", "PASS" if release else "FAIL")