/**
 * IterationTracker — Manages per-agent iteration budgets and diminishing returns
 *
 * Each agent has a maximum number of iterations. For agents like the
 * code reviewer (Agent 7), we also track whether improvements are
 * diminishing — if iteration N improves less than the threshold over N-1,
 * we stop early.
 */
import type { HealthIssue } from '../types.js';
import type { AgentId, IterationSummary } from './types.js';
export declare class IterationTracker {
    private readonly maxIterations;
    private readonly diminishingReturnsThreshold;
    private records;
    private currentIteration;
    constructor(maxIterations: number, diminishingReturnsThreshold?: number);
    /**
     * Record the result of an iteration.
     * @returns Whether another iteration is warranted.
     */
    recordIteration(score: number, issues: HealthIssue[]): boolean;
    /** Check if we should continue iterating */
    shouldContinue(): boolean;
    /** Get the summary of all iterations */
    getSummary(agentId: AgentId): IterationSummary;
    /** Check if the same error appeared in the last two iterations (for quality gate bail) */
    hasSameErrorTwice(): boolean;
}
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