/** A work-queue card's lifecycle state; CARD_TRANSITIONS lists the legal moves between them. */
export type CardStatus = 'backlog' | 'ready' | 'running' | 'blocked' | 'review' | 'done' | 'shelved';
/** Narrows a raw string, such as a CLI flag value, to a CardStatus. */
export declare function isCardStatus(v: string): v is CardStatus;
/** A card row; leaseUntil and heartbeatAt are null unless the card is running, and a card claimed under 1.40.0 runs with both null until a heartbeat sets them. */
export interface Card {
    id: string;
    title: string;
    status: CardStatus;
    assigneeRuntime: string | null;
    repo: string | null;
    contract: string | null;
    budget: number | null;
    leaseUntil: string | null;
    heartbeatAt: string | null;
    createdAt: string;
    updatedAt: string;
    tenantId: string;
    scope: string | null;
}
/** One claim-to-close attempt at a card by a runtime. */
export interface CardRun {
    id: number;
    card: string;
    runtime: string;
    sessionId: string | null;
    started: string;
    ended: string | null;
    outcome: string | null;
}
/** A comment left on a card. */
export interface CardComment {
    id: number;
    cardId: string;
    author: string;
    body: string;
    createdAt: string;
}
/** The legal next-statuses for each CardStatus. */
export type CardTransitions = {
    readonly [S in CardStatus]: readonly CardStatus[];
};
/** transitionCard checks every status write against this map. */
export declare const CARD_TRANSITIONS: CardTransitions;
/** How long a claim or a heartbeat keeps a running card's lease before reclaimExpiredCards may return it to ready. */
export declare const CARD_LEASE_MS: number;
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