Architect Skill

Domain-Driven Design and hexagonal architecture with functional core pattern for feature design.

Architecture Model

Unified view of functional core and effectful edge:

          Effectful Edge (IO)              Functional Core (Pure)
┌─────────────────────────────────┐    ┌──────────────────────────┐
│  Router    → request parsing    │    │  Service  → orchestration│
│  Consumer  → event handling     │───▶│  Entity   → domain rules │
│  Client    → external APIs      │    │            → validation  │
│  Producer  → event publishing   │◀───│            → transforms  │
│  Repository→ data persistence   │    │                          │
└─────────────────────────────────┘    └──────────────────────────┘