import type { DatabaseSync } from 'node:sqlite';
import type { ActorRef, TaskChangedField } from '@xopcai/gateway-contract';
export type TaskChangeInput = {
    taskId: string;
    projectId?: string;
    version: number;
    changedFields: TaskChangedField[];
    actor?: ActorRef;
    source?: 'user' | 'agent' | 'runtime';
    occurredAt?: number;
};
export declare function enqueueTaskChangedEvent(db: DatabaseSync, input: TaskChangeInput): void;
export declare function enqueueTaskAttentionRequiredEvent(db: DatabaseSync, input: {
    taskId: string;
    taskTitle: string;
    projectId?: string;
    reason: 'blocked' | 'failed' | 'user_input' | 'approval';
    detail?: string;
    correlationId: string;
    occurredAt?: number;
}): void;
export declare function enqueueTaskChanged(input: TaskChangeInput): void;