async evaluateAgent(
    agent: Agent,
    testSuite: TestCase[]
): Promise<EvaluationReport> {
    const results: TestResult[] = [];

    // Run each test multiple times
    for (const test of testSuite) {
        for (let run = 0; run < this.minRuns; run++) {
            const result = await this.runTest(agent, test, run);
            results.push(result);
        }
    }

    // Analyze by test
    const byTest = this.groupByTest(results);
    const testAnalyses = new Map<string, StatisticalAnalysis>();

    for (const [testId, testResults] of byTest) {
        testAnalyses.set(testId, this.analyzeResults(testResults));
    }

    // Overall analysis
    const overall = this.analyzeResults(results);

    return {
        overall,
        byTest: testAnalyses,
        concerns: this.identifyConcerns(testAnalyses),
        recommendations: this.generateRecommendations(testAnalyses)
    };
}

private analyzeResults(results: TestResult[]): StatisticalAnalysis {
    const passes = results.filter(r => r.passed);
    const passRate = passes.length / results.length;

    // Calculate confidence interval for pass rate
    const z = 1.96;  // 95% confidence
    const se = Math.sqrt((passRate * (1 - passRate)) / results.length);
    const confidence95: [number, number] = [
        Math.max(0, passRate - z * se),
        Math.min(1, passRate + z * se)
    ];

    const scores = results.map(r => r.score);
    const latencies = results.map(r => r.latencyMs);

    return {
        passRate,
        confidence95,
        meanScore: this.mean(scores),
        stdDevScore: this.stdDev(scores),
        meanLatency: this.mean(latencies),
        p95Latency: this.percentile(latencies, 95),
        behaviorConsistency: this.calculateConsistency(results)
    };
}

private calculateConsistency(results: TestResult[]): number {
    // How consistent are the behaviors across runs?
    if (results.length < 2) return 1;

    const behaviorSets = results.map(r => new Set(r.actualBehaviors));
    let consistencySum = 0;
    let comparisons = 0;

    for (let i = 0; i < behaviorSets.length; i++) {
        for (let j = i + 1; j < behaviorSets.length; j++) {
            const intersection = new Set(
                [...behaviorSets[i]].filter(x => behaviorSets[j].has(x))
            );
            const union = new Set([...behaviorSets[i], ...behaviorSets[j]]);
            consistencySum += intersection.size / union.size;
            comparisons++;
        }
    }

    return consistencySum / comparisons;
}

private identifyConcerns(analyses: Map<string, StatisticalAnalysis>): Concern[] {
    const concerns: Concern[] = [];

    for (const [testId,