/**
 * Probe detail computation (011 Phase 3).
 *
 * Pure functions over a skill snapshot — the SAME calculators the scan uses
 * (`duplicateHeadings` / `overlongLines` / `missingSupportPointers` /
 * `narrowNameMatches` / `computeDedupGroups` / `computePrefixClusters`), so a
 * probe result can never disagree with the facts block. No IO, no writes.
 */
import { type DriftSkillSnapshot } from '@lmzhen/dsh-evolution-core';
export declare const PROBE_SIGNALS: ReadonlyArray<string>;
export interface ProbeResult {
    signal: string;
    /** Present only when the query carried a target. */
    target?: string;
    detail: string[];
}
/**
 * Compute probe details for a query. Skill-level signals require `target`;
 * library-level signals ignore it. Unknown signals yield an explicit
 * `unknown-signal` detail (never a fabricated verdict).
 */
export declare function computeProbe(signal: string, target: string | undefined, snapshots: ReadonlyArray<DriftSkillSnapshot>): ProbeResult;
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