/**
 * temporal_narratives reads — latest/current/child narrative lookups and the
 * per-resolution regeneration cooldown check.
 */
import type { Database } from "./schema.js";
import type { NarrativeResolution, TemporalNarrative } from "./narrative-types.js";
export declare function getChildNarratives(db: Database, threadId: number, resolution: NarrativeResolution, start: string, end: string): TemporalNarrative[];
export declare function getLastNarrative(db: Database, threadId: number, resolution: NarrativeResolution): TemporalNarrative | null;
export declare function getCurrentNarrative(db: Database, threadId: number, resolution: NarrativeResolution): TemporalNarrative | null;
export declare function isCooldownActive(db: Database, threadId: number, resolution: NarrativeResolution): boolean;
/**
 * Whether a resolution's inputs changed since its last narrative was generated.
 *
 * Cooldowns bound how *often* a narrative may regenerate, not whether its source
 * data actually changed — so a lapsed cooldown otherwise re-summarises identical
 * episodes at OpenAI cost. A rolling narrative is only worth regenerating when a
 * new episode landed in the period, or (for composed month+ resolutions) a child
 * narrative was (re)generated more recently than the parent.
 *
 * Returns true when no prior narrative exists (first-ever generation must run).
 * Comparisons use julianday() so ISO episode timestamps ("...T..Z") and the
 * space-separated datetime('now') stored on narratives compare on one UTC scale.
 */
export declare function hasNewNarrativeInput(db: Database, threadId: number, resolution: NarrativeResolution, start: string, end: string): boolean;
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