Use Case Authoring Skill Use Case 2.0 methodology for capturing functional requirements and documenting actor-system interactions. MANDATORY: Documentation-First Approach Before authoring use cases: 1. Invoke skill for requirements patterns 2. Verify Use Case 2.0 methodology via MCP servers 3. Base all guidance on Ivar Jacobson's Use Case 2.0 Use Case 2.0 Overview Use Case 2.0 is a scalable, agile practice for capturing requirements: | Aspect | Description | |--------|-------------| | Lightweight | Start minimal, elaborate as needed | | Scalable | Works for small and large systems | | Agile-F…