Invoice Development Guide

This skill provides guidance for developers working with the @rytass/invoice base package, including creating new invoice adapters.

Overview

The @rytass/invoice package defines the core interfaces and types that all invoice adapters must implement. It follows the adapter pattern to provide a unified API across different Taiwan e-invoice providers.

Architecture

@rytass/invoice (Base Package)
    │
    ├── Invoice<Item>              # Invoice entity interface
    ├── InvoiceGateway<...>        # Gateway interface
    ├── InvoiceAllowance<Item>     # Allowance interface
    ├── Enums & Types              # Shared types
    └── Utility Functions          # Helpers