Function summarize

src/eval/score.ts:130–141

(results: TaskRunResult[])

}

function avg(nums: number[]): number {
  if (nums.length === 0) return 0;
  return nums.reduce((a, b) => a + b, 0) / nums.length;
}

export function summarize(results: TaskRunResult[]): EvalSummary {
  const passed = results.filter(r => r.passed).length;
  return {
    total: results.length,
    passed,
    passRate: results.length === 0 ? 0 : passed / results.length,
    avgIterations: avg(results.map(r => r.iterations)),
    avgToolCalls: avg(results.map(r => r.toolCalls)),
    totalCostUsd: results.reduce((a, r) => a + r.costUsd, 0),
    avgWallMs: avg(results.map(r => r.wallMs)),