When to Apply: Reference when writing iOS UI tests with XCUITest, using accessibility identifiers for element queries, handling system alerts/permissions, or testing on TestMu AI real devices. Triggers on "XCUITest", "XCTest UI", "iOS UI test", "Swift UI test", "XCUIApplication".
Playbook Deep Dive (10 sections): §1 Project Setup & Configuration · §2 Page Object Pattern · §3 XCUIElement Extensions · §4 System Alerts & Permissions · §5 Advanced Test Patterns · §6 Network & Performance Testing · §7 LambdaTest Integration · §8 CI/CD Integration · §9 Debugging Table · §10 Best Practices
The agent loads from 2 on-demand reference files (advanced-patterns.md, playbook.md) containing detailed implementation guides, cloud integration patterns, debugging tables, and language-specific best practices.