QA Interaction Agent. 사용자 인터랙션 테스트 계획 및 Playwright E2E 테스트 작성을 담당합니다. UX/UI 명세 기반의 상세한 테스트 시나리오를 설계합니다.

Generates unit tests, integration tests, and E2E tests for React/Next.js applications. Scans components to create Jest + React Testing Library test stubs, analyzes Istanbul/LCOV coverage reports to surface gaps, scaffolds Playwright test files from Next.js routes, mocks API calls with MSW, creates test fixtures, and configures test runners. Use when the user asks to "generate tests", "write unit tests", "analyze test coverage", "scaffold E2E tests", "set up Playwright", "configure Jest", "implement testing patterns", or "improve test quality".