import type { MigrationDb } from "./index";
/**
 * Migration 058: Add indices that support the paginated-ID knowledge-graph
 * queries introduced to fix Signet-AI/signetai#515.
 *
 * - `idx_entities_order` — compound index on the agent scope + ordering
 *   columns used by `listKnowledgeEntities`. Lets SQLite serve the `page`
 *   CTE as an index-only scan before counts are computed.
 * - `idx_entities_extracted_mentions` — partial compound index narrowing
 *   the `pruneSingletonExtractedEntities` candidate scan from the full
 *   entity set to extracted entities only.
 *
 * Both are idempotent (`IF NOT EXISTS`) and safe to reapply.
 */
export declare function up(db: MigrationDb): void;
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