export interface MailEntryDTO {
    entry_id: string;
    operation_id: string;
    ts: string;
    from: string | null;
    from_name?: string;
    tier: 'critical' | 'urgent' | 'normal' | 'deferred';
    kind: 'update' | 'urgent' | 'final' | 'message' | 'completed';
    ref?: string;
    label: string;
    data?: Record<string, unknown>;
    disposition?: 'human-answer' | 'human-canceled';
}
export interface ClaimedMailDTO {
    delivery_id: string;
    attempts: number;
    handoff: 'fresh' | 'inherited';
    entry: MailEntryDTO;
}
export interface ClaimMailRequest {
    execution_id: string;
    channel: 'wake' | 'passive';
}
export interface ClaimMailResultDTO {
    action: 'claimed' | 'hold';
    deliveries: ClaimedMailDTO[];
}
export interface MailReceiptDTO {
    delivery_id: string;
    attempts: number;
    disposition: 'acknowledged' | 'released';
}
export interface AcknowledgeMailRequest {
    execution_id: string;
    deliveries: MailReceiptDTO[];
}
export interface AcknowledgeMailResultDTO {
    action: 'acknowledged' | 'hold';
    results: Array<{
        delivery_id: string;
        outcome: 'acknowledged' | 'released' | 'stale';
    }>;
}