ndthanhdev

Use when adding or modifying packages, defining ports, implementing adapters, writing use cases, or wiring dependencies in this monorepo. Covers the Hexagonal (Ports & Adapters) architecture + InversifyJS conventions used across core-*, *-driving-*, *-driven-*, helper-* packages and app composition roots.

Repository documentation management. Use this skill whenever you need to work on the codebase — before making changes, find relevant docs first; after making changes, index new knowledge back into docs.

VietQR payment QR code integration. Use this skill when working with VietQR Quick Links, QR code image generation, or any VietQR-related payment feature in Vietnam.