import type { WorkItemEvent } from './store.js';
/**
 * Reading the Todo audit trail.
 *
 * Appending an event is a write on the work-item table and stays in store.ts
 * beside the mutations that emit it; querying the trail afterwards is a separate
 * job with no writers, so it lives here. store.ts re-exports this surface, which
 * is why no caller had to move with it.
 *
 * Nothing here imports a VALUE from store.ts, and the derived-actor names live
 * here rather than there for that reason: store.ts re-exports this module, so a
 * value import back the other way would read a constant before it exists.
 */
/** Everything the trail can say. The vocabulary lives with the reader because
 *  every consumer of an event reads it from here; store.ts re-exports it beside
 *  the append that writes one. */
export type WorkItemEventKind = 'created' | 'child_created' | 'comment_added' | 'comment_edited' | 'comment_deleted' | 'relation_added' | 'relation_removed' | 'label_changed' | 'attachment_added' | 'attachment_removed' | 'metadata_edited' | 'status_change' | 'note' | 'session_linked' | 'approval_requested' | 'approval_decided' | 'verify_result' | 'escalated' | 'claim_rejected' | 'claim_expired' | 'respawn_guard_held' | 'availability_resumed' | 'kept_changed' | 'recovery_classified' | 'recovery_attempted' | 'recovery_exhausted' | 'anomaly_observed';
/** Actor recorded on the reconciler's own derived writes. */
export declare const RECONCILER_ACTOR = "reconciler";
/** The actor a human's own writes carry. An employee is not a human here: the
 *  point of both readers below is that somebody outside the loop decided this. */
export declare const HUMAN_ACTOR = "operator";
/** Actor recorded when a Workflow run reflects its own lifecycle onto its bound
 *  Todo. Derived, not declared: a status a phase set on purpose outranks it. */
export declare const WORKFLOW_RUN_ACTOR = "workflow:run";
/**
 * Whether the current block was declared by a caller rather than derived from
 * attempt transport. Historical events without an explicit marker fall back to
 * actor provenance so existing rows retain their intended meaning.
 */
export declare function isBlockDeclared(workItemId: string): boolean;
/**
 * Whether the current execution state was explicitly reopened from review.
 * Inspect the newest transition into `executing` first so an older bounce
 * cannot outlive a later start or unblock.
 */
export declare function isReviewBounceDeclared(workItemId: string): boolean;
/**
 * When the operator last moved this Todo himself, or undefined if he never has.
 * Any event carrying a `to_status` counts — a status change and an escalation
 * are both him deciding where the item belongs.
 *
 * The reconciler reads this as an evidence floor: attempt receipts older than
 * the decision cannot describe what happened after it.
 */
export declare function latestHumanStatusMoveAt(workItemId: string): string | undefined;
/** List audit trails for several items with one query, oldest-first within
 * each item. Unknown ids receive an empty entry. */
export declare function listWorkItemEventsForItems(workItemIds: readonly string[]): Map<string, WorkItemEvent[]>;
/** List an item's audit trail, oldest-first (the story reads top-down). */
export declare function listWorkItemEvents(workItemId: string): WorkItemEvent[];
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