/**
 * Read-only scenario verification matrix: how much stored backing each spec scenario has.
 * Derived only from sprint.json and closed-sprint history; never writes, never gates, never traces.
 * Levels say what was recorded, not what is true: "verdict" means a pass verdict is on file.
 */
export type MatrixTaskLevel = 'linked' | 'evidence' | 'verdict';
export type MatrixLevel = 'none' | MatrixTaskLevel | 'unknown';
export declare const MATRIX_NOTE = "Verdict recorded \u2260 independent review: maker/checker identity is self-declared and not verified by Kyro.";
export interface MatrixTask {
    id: string;
    sprint: number;
    source: 'active' | 'history';
    level: MatrixTaskLevel;
    /** False for disposed tasks: listed for honesty, excluded from the scenario level. */
    counted: boolean;
    evidenceBy: string | null;
    verdictBy: string | null;
    sameDeclaredActor?: true;
    disposition?: string;
    notes: string[];
}
export interface MatrixScenario {
    id: string;
    requirement: string;
    level: MatrixLevel;
    tasks: MatrixTask[];
    notes: string[];
}
export interface MatrixHistorySprint {
    n: number;
    slug: string;
    source: string;
    status: 'read' | 'unknown';
    reason?: string;
}
export interface VerificationMatrix {
    scope: string;
    scenarios: MatrixScenario[];
    summary: Record<MatrixLevel, number>;
    history: MatrixHistorySprint[];
    note: string;
    /** Present when there is nothing to tabulate (no spec, or a spec without scenarios). */
    message?: string;
}
export declare function buildVerificationMatrix(requestedScope: string | null): VerificationMatrix;
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