import type { SessionStats } from '../session.js';
export interface Insight {
    id: string;
    detectorId: string;
    sessionId: string;
    projectDir: string;
    title: string;
    description: string;
    savingsEstimateUsd: number;
    effortMinutes: number;
    fixSteps: string[];
    proFixSteps: string[];
    claudeMdPatch: string | null;
}
export interface UserBaseline {
    sessionCostP50: number;
    sessionCostP75: number;
    sessionCostP90: number;
    totalSpendUsd: number;
    sessionCount: number;
    localTimezone: string;
    focusWindowStart: number;
    focusWindowEnd: number;
}
export interface Detector {
    id: string;
    run(stats: SessionStats, baseline?: UserBaseline): Insight[];
}
export declare function makeInsightId(detectorId: string, sessionId: string): string;
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