关于
The Billing Automation skill provides specialized logic and implementation patterns for building robust financial systems. It covers the entire subscription lifecycle, from trial management and plan activation to complex scenarios like mid-cycle proration, automated dunning (failed payment recovery), and regional tax calculations (VAT/GST). Whether you are building a custom billing engine or integrating with payment processors like Stripe, this skill ensures best practices for handling usage-based billing, seat adjustments, and automated invoice delivery.