import type { Board } from "./model.js";
/**
 * What the interview has settled, and what it has not.
 *
 * A conversation that starts again should not start over. Closure is therefore a fact on the board,
 * not something the model has to remember from a transcript: it survives a reload, a new device and a
 * conversation nobody can read back. Each closure is recorded against a basis — a snapshot of the very
 * thing it was about — so when a ninth role appears the closure lapses on its own. Nobody keeps a tick
 * honest by hand, and nothing silently stays settled after the ground moved.
 */
export declare const LEDGER_CLASSES: readonly ["brief", "roles", "jobs", "handoffs", "exceptions"];
export type LedgerClass = (typeof LEDGER_CLASSES)[number];
export interface Settlement {
    settled: boolean;
    /** who said so: the person's word, or Staves' judgment. A tick nobody gave never reads as theirs. */
    by: "human" | "staves";
    quote?: string;
    at?: string;
    basis?: string;
}
export interface LedgerItem {
    class: LedgerClass;
    state: "untouched" | "open" | "closed";
    /** 0 nothing here, 1 named but with gaps the board can name, 2 nothing outstanding. Never a score. */
    depth: 0 | 1 | 2;
    /** the gap itself, in the fewest words that are still true; absent at depth 2 */
    gap?: string;
    by?: Settlement["by"];
    quote?: string;
    at?: string;
    /** closed once, then the ground moved: the interviewer can say why it is open again */
    lapsed?: boolean;
    /** what the board holds for this class right now, in the fewest words that are still true */
    summary: string;
}
/** The shape of one class, as the thing a closure is a claim about. Change it and the claim lapses. */
export declare function settlementBasis(b: Board, cls: LedgerClass): string;
/**
 * Whether a class is mostly staves' own inference rather than anything the person supplied.
 *
 * This exists to stop the board certifying itself. Staves may draft, and staves may close a class with
 * judgment — but not both at once. If it drafted the roles and then closed "roles", the readiness count
 * would report green on work nobody ever confirmed, and the number would be worth nothing. Whoever
 * supplied the content, only the person can close a class they did not describe.
 *
 * Absent provenance reads as the person's: everything described before provenance was recorded was.
 */
export declare function mostlyInferred(b: Board, cls: LedgerClass): boolean;
/** The ledger as the conversation should see it: derived from the board, never a second source of truth. */
export declare function ledger(b: Board): LedgerItem[];
/** The five lines the interviewer is given, so it stops re-asking what is already answered. */
export declare function ledgerLine(b: Board): string;