//! Legacy finance module - kept for reference during migration
//!
//! This file contains the original 8,987 line implementation.
//! It is being refactored into the modular structure in finance/
//!
//! DO NOT USE THIS FILE FOR NEW CODE
// This file is temporarily kept as finance_legacy.rs during the refactoring process.
// Once all functionality has been migrated to the new modular structure,
// this file will be removed.