/**
 * Risk Audit Log: append-only JSONL log for risk gate decisions.
 * Files live in `<stateDir>/{address}/risk-guard/audit.jsonl` (per-wallet directory convention).
 */
import type { RiskSource, RiskFailureKind } from "../health/types.js";
export interface RiskAuditEntry {
    ts: string;
    event: "gate_check";
    address: string;
    source: RiskSource;
    evaluations?: Array<{
        guardrail: string;
        result: "pass" | "CLOSED" | "COOLDOWN";
        reason?: string;
        evaluationOk?: boolean;
        fallbackApplied?: boolean;
        failureKind?: RiskFailureKind;
    }>;
    meta?: Record<string, unknown>;
}
export interface RiskAuditLog {
    append(entry: RiskAuditEntry): Promise<void>;
}
/**
 * Read the most recent `limit` audit entries for an address, oldest-first.
 * Reads only the trailing `MAX_TAIL_BYTES` of the file, drops a possibly
 * truncated leading line, and skips malformed JSON. Returns `[]` when the
 * file does not exist (no gate checks have run yet).
 */
export declare function readRiskAuditEntries(stateDir: string, address: string, limit: number): Promise<RiskAuditEntry[]>;
export declare function createRiskAuditLog(stateDir: string): RiskAuditLog;
//# sourceMappingURL=risk-audit-log.d.ts.map