Purchases Flow Skill

Comprehensive knowledge for the purchases (compras) workflow across all layers.

State Machine

┌─────────────┐    receive    ┌────────────┐
│   pending   │ ────────────► │  received  │
└─────────────┘               └────────────┘
      │                              │
      │ cancel                       │ cancel
      ▼                              ▼
┌─────────────┐               ┌────────────┐
│ cancelled   │               │ cancelled  │
└─────────────┘               └────────────┘