/**
 * Database layer — barrel export (ONLY re-exports, no logic).
 *
 * This file is the SINGLE public API for all database functionality.
 * All imports should come from here, not from individual files.
 *
 * USAGE:
 *   import { createDb, DatabaseConnection, QueryAudit } from './db/index.js';
 *   import type { AuditEntry } from './db/index.js';
 *
 * FILE ORGANIZATION:
 * - DatabaseInitializer.ts: createDb() function + migrations (pure functions)
 * - QueryAudit.ts: class QueryAudit (logging service)
 * - DatabaseConnection.ts: class DatabaseConnection (data access service)
 * - index.ts: THIS FILE (barrel re-exports only)
 *
 * SECURITY:
 * - All queries use parameterized statements (QueryBuilder + DatabaseConnection)
 * - No SQL injection possible via table/column/parameter names
 * - Audit trail tracks all mutations for compliance
 */

// Initialization
export { createDb, type Db } from './DatabaseInitializer';

// Data access
export { DatabaseConnection } from './DatabaseConnection';
export { QueryAudit } from './QueryAudit';

// Types
export { AuditAction } from '../types/database.model';
export type { AuditEntry, DatabaseOptions } from '../types/database.model';