import Database from 'better-sqlite3';
export declare function getDb(): import("drizzle-orm/better-sqlite3").BetterSQLite3Database<Record<string, unknown>> & {
    $client: Database.Database;
};
/**
 * Run pending migrations. Safe to call multiple times.
 * Migrations folder is relative to package root (drizzle/).
 */
export declare function runMigrations(): void;
export declare function getSqlite(): Database.Database;
/**
 * Initialize FTS5 virtual table for memory search.
 * Must be called after drizzle-kit push creates the base tables.
 */
export declare function initFts(): void;
export declare function closeDb(): void;