agentfootprint/dist/types/answer-account/size.d.ts

The explainable agent framework — backtrack a wrong answer to the exact context that caused it (evidence, not guesses). Built on footprintjs.

/**
 * The account's size — README law 8 in its OWN unit, and its one authority.
 *
 * The contract is in serialized bytes: the account at most `ACCOUNT_BYTES`,
 * the op's body (`{ account, shown }`) at most `BODY_BYTES` — the UTF-8 bytes
 * of the JSON a reader is sent, escaping included (`lib/boundedJson.ts` ·
 * `jsonBytes`). A cut in characters per field cannot add up to that: JSON
 * writes a control character or a lone surrogate as six bytes, UTF-8 a BMP
 * character as up to three, a sentence carries each value three times
 * (`text`, `parts`, `vars`), and a pointer repeats its identity on every line
 * that names its event. So the bound is not composed from the fields — it is
 * MEASURED, here, on what the account serializes to.
 *
 * {@link fitAccount} is the last step of every account the reader tells:
 *
 *   - within the bound (every ordinary record) — the same object, unchanged;
 *   - over it — the LISTINGS are fitted, never the judgements: the seven
 *     rows' lines and the three fact lists (`calls`, `beforePause`, `inView`)
 *     share what the rest of the account leaves, each up to an equal share
 *     of what is left (max-min fair, so one long row cannot crowd out the
 *     others), in their own order. What a row cannot list is ONE line that
 *     counts it (`row.sizeBound`); what a fact list cannot is added to its
 *     omitted count (`callsOmitted`, …). Every count, check, chip and status
 *     was taken over everything before this step and is kept as it is;
 *   - when even the rest is over the bound (only a record built to be: every
 *     text at its cut in characters that JSON writes six bytes wide) — the
 *     account says this record is too large to explain within the limit,
 *     and counts it unread. Never a truncated account that looks whole.
 *
 * The per-field cuts (`FACT_TEXT_CHARS`, `MAX_VAR_CHARS`, the item and
 * long-text budgets) keep an ordinary account readable; this keeps every
 * account within its bound.
 */
import type { AnswerAccount } from './types.js';
/** The account, serialized: at most this many UTF-8 bytes (README law 8). */
export declare const ACCOUNT_BYTES: number;
/** The op's body, `{ account, shown }` (`hosting/artifactWire.ts` · `AnswerAccountWireBody`), serialized. */
export declare const BODY_BYTES: number;
/** The show-me map's share of the body: what the account and the frame leave (`shown.ts`). */
export declare const SHOWN_BYTES: number;
/**
 * An identity a pointer copies from the record — an event's `runtimeStageId`,
 * a history message's `toolCallId` — at most this many serialized bytes
 * (`facts/common.ts` · `boundedPointer`). It rides every pointer into its
 * event, so it is bounded in the contract's unit where it is copied.
 */
export declare const POINTER_ID_BYTES = 200;
/**
 * Max-min fair shares of `available` among `needs`: in order of need, each
 * gets all it needs up to an equal share of what is left; what one does not
 * need is shared by the rest. Deterministic.
 */
export declare function fairShares(needs: readonly number[], available: number): number[];
/**
 * `account` within {@link ACCOUNT_BYTES} — itself when it is (every ordinary
 * record), else its listings fitted as the module doc says; `tooLarge()` when
 * the part that is not a listing is over the bound on its own.
 */
export declare function fitAccount(account: AnswerAccount, tooLarge: () => AnswerAccount): AnswerAccount;
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