What problem does it solve? Designing black-box test cases from a requirements specification is slow and inconsistent when done by hand. This Skill turns EShop functional requirements (FR-01 to FR-24) into a complete Use-Case Testing artifact set: use case documents, test design analysis, detailed test cases, bug reports, and a traceability matrix. ## Core Features & Use Cases - Use Case Modeling: Produces use cases in the Flow of Events format (Title, Primary Actor, Level, Preconditions, Guarantees, Main Success Scenario, Extensions) grounded in the README specification. - Test Case Generation: Creates one markdown test case for the main success scenario plus one per extension, following a fixed TC template with preconditions, test data, steps, and expected results. - Execution & Bug Reporting: Supports running tests against the live system and writing one bug report file per failure, plus a traceability matrix linking scenarios, requirements, test cases, and bugs. - Use Case: Ask it to apply use-case testing to FR-08 (checkout); it suggests applicable FRs, drafts the use case, waits for your confirmation at each step, then generates the full test suite folder structure. ## Quick Start Ask the agent to do use case testing for FR-08 checkout and confirm each step as it proposes the use case, test cases, and execution plan.