Service API

This directory holds service interfaces that define the business logic layer.

Directory Guidelines

• Create domain-specific subdirectories for complex implementations (e.g., order/).
• Directly add service interfaces as .go files if not creating subdirectories.

Example Structure

api
├── sub-directory                           # when hit a complexity
│   └── api_<group_name>_<some_action>.go
└── api_some_action.go                      # when simple implementation