/**
 * Persist a sprint evaluation to `.bober/eval-results/` so failures are
 * inspectable after the fact.
 *
 * The standalone TS pipeline previously kept evaluation results only in memory:
 * a sprint could fail with "4/5 evaluators passed. Score: 100/100" and there was
 * no on-disk record of WHICH evaluator (or panel lens) returned `passed: false`.
 * This writes one file per evaluation round capturing the per-evaluator and
 * per-lens verdicts.
 *
 * The file shape is a superset of what `loadEvalResults` (memory/eval-source.ts)
 * leniently reads — it carries `contractId`, `iteration`, `passed`, and
 * `overallResult` for distillation, plus a `results[]` array with the per-lens
 * detail for human debugging.
 */
import type { EvaluationRunResult } from "../evaluators/registry.js";
/**
 * Write an evaluation round to `.bober/eval-results/eval-<contractId>-<iteration>.json`.
 *
 * Best-effort: any failure is logged at debug level and swallowed so persistence
 * never blocks or fails the pipeline. Returns the written path, or `undefined`
 * if the write failed.
 */
export declare function persistEvalResult(projectRoot: string, contractId: string, iteration: number, evaluation: EvaluationRunResult): Promise<string | undefined>;
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