/**
 * Agent Safety Score — compute an overall safety score for an agent from traces.
 */
import type { AgentTrace, TraceStep } from './types';
export interface SafetyCategory {
    name: string;
    score: number;
    detail: string;
}
export interface SafetyScoreResult {
    overall: number;
    categories: SafetyCategory[];
}
export declare function detectPII(text: string): number;
export declare function assessToolSafety(steps: TraceStep[]): {
    score: number;
    unrestricted: number;
};
export declare function assessPromptInjection(steps: TraceStep[]): {
    score: number;
    vulnerable: number;
    total: number;
};
export declare function assessCostControl(steps: TraceStep[], budgetUsd?: number): {
    score: number;
    detail: string;
};
export declare function assessErrorHandling(steps: TraceStep[]): {
    score: number;
    detail: string;
};
export declare function assessDataHygiene(steps: TraceStep[]): {
    score: number;
    detail: string;
};
export declare function computeSafetyScore(traces: AgentTrace[], budgetUsd?: number): SafetyScoreResult;
export declare function formatSafetyScore(result: SafetyScoreResult): string;
export declare function loadTracesFromDir(dir: string): AgentTrace[];
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