Use Case Diagram

Instructions

Create or update the PlantUML use case diagram at docs/use_cases.puml based on docs/requirements.md.

DO NOT

• Create diagrams without reading the requirements first
• Use non-standard PlantUML syntax
• Include implementation details in use case names

Template

@startuml Use Cases Overview
left to right direction

actor "User" as user
actor "Administrator" as admin

rectangle "System Name" {
    usecase "UC-001\nDescription" as UC001
    usecase "UC-002\nDescription" as UC002
    usecase "UC-003\nDescription" as UC003
}

admin --> UC001
user --> UC002
user --> UC003

@enduml

Conventions

• Each use case has a unique id and a description
• Use Case ID: UC-{3-digit} (UC-001, UC-002, ...)
• Each use case should trace to at least one functional requirement
• Add notes sparingly, only where relationships need clarification

Workflow

1. Read the requirements at docs/requirements.md
2. Read existing diagram at docs/use_cases.puml (if exists)
3. Identify actors and use cases from requirements
4. Create/update the PlantUML use case diagram
5. Validate the diagram:
   • Each use case traces to at least one functional requirement in docs/requirements.md
   • All actors are connected to at least one use case
   • Use case IDs follow the UC-{3-digit} convention
   • PlantUML syntax is valid (no missing @enduml, proper arrow syntax)