/**
 * Idempotent schema install + vector-dimension safety check.
 *
 * Called once at agents-library startup by host's `memoryStore.js` singleton
 * factory. Safe to call multiple times — every statement is `IF NOT EXISTS`.
 */
import type { Pool } from 'pg';
export interface MigrationOptions {
    pool: Pool;
    table?: string;
    /** If true, skip the live embedder probe (tests). */
    skipEmbedderProbe?: boolean;
}
export declare function runMemoryMigration(opts: MigrationOptions): Promise<void>;