/**
 * Channel exec-approval gate — plugins register handlers; agent runtime invokes before risky tools.
 */
import type { Config } from '../config/schema.js';
export interface ExecApprovalRequestPayload {
    sessionKey: string;
    channel: string;
    chatId: string;
    accountId?: string;
    toolName: string;
    summary: string;
    details?: Record<string, unknown>;
}
export interface ExecApprovalHandler {
    isEnabled(cfg: Config, params: {
        channel: string;
        accountId?: string;
    }): boolean;
    requestApproval(cfg: Config, payload: ExecApprovalRequestPayload): Promise<boolean>;
}
export declare function registerChannelExecApprovalHandler(channelId: string, handler: ExecApprovalHandler): () => void;
export declare function maybeRequestChannelExecApproval(params: {
    cfg: Config;
    payload: ExecApprovalRequestPayload;
}): Promise<{
    required: boolean;
    approved: boolean;
    reason?: string;
}>;