/**
 * Mechanical-facts rendering for the maintenance subagent (011 §6).
 *
 * One canonical block: opening tag with version + joint signature, one
 * `[FACT]`/`[UNKNOWN]` line per signal, closing tag. The template side
 * renders its own `<MAINTAIN_PROMPT>` header with the same signature, so
 * the model can compare the two heads (011 mismatch protocol). Every rendered
 * field (value/detail/threshold/skill name) passes through the optional
 * redactor and the delimiter/newline escaping before it leaves the session.
 */
import { type DriftReport } from '@lmzhen/dsh-evolution-core';
/** G3/3.3: what one footprint line reports about one registered store. */
export interface StoreFootprint {
    readonly id: string;
    readonly unit: string;
    /** The reading, when one exists; undefined renders as UNKNOWN instead of an invented zero. */
    readonly used?: number | undefined;
    readonly bound: string;
    readonly lastSweep?: string | undefined;
    readonly removed?: number | undefined;
    /** Set for a `manual` store that did not run: stated, never implied. */
    readonly skipped?: string | undefined;
}
export interface RenderFactsOptions {
    /** signals_version — changes whenever the signal set/thresholds change. */
    signalsVersion: string;
    /** Joint signature: sha256(template-text + signal-definitions) — shared with MAINTAIN_PROMPT head. */
    signature: string;
    /** G3/3.3: one reading per registered bounded store (STORE_LEDGER). Absent ⇒ no footprint lines at
     * all, so an older caller keeps the exact block it had; a store with no reading renders as UNKNOWN
     * and a manual-trigger store that did not run says so — "not done" must never read as "nothing to do". */
    footprint?: readonly StoreFootprint[] | undefined;
    /** Optional redactor; defaults to core `redactSecrets`. */
    redact?: ((text: string) => string) | undefined;
}
export declare function renderFacts(report: DriftReport, options: RenderFactsOptions): string;
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