UniversalEC (汎宇電商) E-Invoice Integration

STATUS: SKELETON — body pending.

When to use this skill

• Merchant uses UniversalEC as 加值服務中心
• Migrating between ezPay and UniversalEC
• Using UniversalEC-specific features (27 tools — richer than ezPay's 7)
• Reconciling UniversalEC ↔ MOF platform

Do NOT use when

• Using ezPay → tw-ecom-invoice-ezpay
• Direct MOF → tw-einvoice-guide

Core concepts

TODO: UniversalEC market position, tool-set breadth.