/**
 * R4 Delivery — M1 Contract
 *
 * Shared with Lane B (Control Plane). Do not modify unilaterally.
 * The server selects one message; the client never downloads the catalog.
 */
export declare const DELIVERY_MESSAGE_SCHEMA_VERSION: "delivery-message/1";
export declare const DELIVERY_RECORD_SCHEMA_VERSION: "delivery-record/1";
export declare const MESSAGE_SELECTION_RESPONSE_SCHEMA_VERSION: "martin-message-selection/1";
export declare const ALLOWED_ACTION_TYPES: readonly ["upgrade_cli", "upgrade_mcp", "submit_feedback", "open_release_notes", "dismiss", "view_spend_report", "view_run_explain"];
export type ActionType = (typeof ALLOWED_ACTION_TYPES)[number];
export type MessageKind = "update" | "feedback_request" | "milestone";
export interface DeliveryMessage {
    schemaVersion: typeof DELIVERY_MESSAGE_SCHEMA_VERSION;
    id: string;
    revision: number;
    kind: MessageKind;
    title: string;
    body: string;
    action: {
        type: ActionType;
        url?: string;
        targetVersion?: string;
    };
    expiresAt: string;
    cooldownHours: number;
}
export interface MessageSelectionResponse {
    schemaVersion: typeof MESSAGE_SELECTION_RESPONSE_SCHEMA_VERSION;
    message?: DeliveryMessage;
}
/** Local cooldown/dismissal state — persisted in .martin/delivery-record.json */
export interface DeliveryRecord {
    schemaVersion: typeof DELIVERY_RECORD_SCHEMA_VERSION;
    lastMessageId?: string;
    lastShownAtEpochMs?: number;
    dismissedIds: string[];
    cooldownUntilEpochMs?: number;
    cachedMessage?: DeliveryMessage;
    cachedAtEpochMs?: number;
}
/** Structured update field for --json and MCP responses */
export interface UpdateAvailableField {
    targetVersion: string;
    kind: "cli" | "mcp";
    message?: string;
}