/**
 * T203: Immutable lineage event contract (append-only store, correlation fields).
 * @see .workspace-kit/tasks/state.json T192, T203
 */
export const LINEAGE_SCHEMA_VERSION = 1;
/** Stable correlation root: ties chain to recommendation + evidence identity. */
export function lineageCorrelationRoot(recommendationTaskId, evidenceKey) {
    return `${recommendationTaskId}::${evidenceKey}`;
}
