/**
 * Story 3.2 — pure feature card model, sort, and filter (no DOM).
 */
import type { SutraGraph, HealthBand } from "../types.js";
export type CardHealth = "healthy" | "warn" | "unhealthy" | "unknown";
export type ContractStatus = "has_contract" | "none";
export interface FeatureCardModel {
    id: string;
    name: string;
    isAiName: boolean;
    aiSummary?: string;
    nodeCount: number;
    edgeCount: number;
    contractStatus: ContractStatus;
    issueCount: number;
    health: CardHealth;
    healthBand?: HealthBand;
    healthScore?: number;
}
export type SortKey = "health" | "issues" | "name";
export type SortDir = "asc" | "desc";
export declare function bandToCardHealth(band: HealthBand | undefined, hasHealthField: boolean): CardHealth;
export declare function cardModel(graph: SutraGraph): FeatureCardModel[];
export declare function sortCards(models: FeatureCardModel[], key: SortKey, dir: SortDir): FeatureCardModel[];
/** Default: health worst-first. */
export declare function defaultSort(models: FeatureCardModel[]): FeatureCardModel[];
export declare function filterByHealth(models: FeatureCardModel[], states: CardHealth[]): FeatureCardModel[];