When to use this skill ALWAYS use this skill when the user mentions: - PlantUML, UML diagrams, or explicitly requests PlantUML syntax - Complex architecture diagrams, C4 model diagrams, or enterprise-level diagrams - Standard UML diagrams: class diagrams, sequence diagrams, component diagrams, deployment diagrams, state diagrams, activity diagrams, use case diagrams - Architecture documentation requiring precise UML notation - Diagrams that need advanced customization, styling, or layout control - Enterprise system architecture, microservices architecture, or distributed system diagrams - Any…