1. 1. Cookbook Overview
2. 2. Introduction
4. Navigation & Learning
5. 3. Choosing Your Pattern
6. 4. All Patterns: Quick Reference
8. Learning Sequences (Tutorials)
9. 5. Learning Testing Patterns (90 min)
10. 6. Learning Architecture Patterns (60 min)
11. 7. Learning Design Patterns (120 min)
13. Pattern Reference
14. 8. Testing Patterns
15. 1. 8.1. Pattern 1: AAA Pattern
    2. 8.2. Pattern 2: Error Path Testing
    3. 8.3. Pattern 3: Boundary Conditions
    4. 8.4. Pattern 4: Resource Cleanup
    5. 8.5. Pattern 5: Real Collaborators
16. 9. Architecture Patterns
17. 1. 9.1. Pattern 6: Generic Base Layer
    2. 9.2. Pattern 7: Extension Layer
    3. 9.3. Pattern 8: Composition Over Duplication
    4. 9.4. Pattern 9: Single Source of Truth
    5. 9.5. Pattern 10: Capability Grouping
18. 10. Design Patterns
19. 1. 10.1. Pattern 11: Zero-Cost Abstractions
    2. 10.2. Pattern 12: Type Safety with GATs
    3. 10.3. Pattern 13: Sealed Traits for API Safety
    4. 10.4. Pattern 14: Compile-Time Validation
    5. 10.5. Pattern 15: Type State Enforcement
20. 11. New Patterns from Practice
21. 1. 11.1. Pattern 16: Fixture Lifecycle Management
    2. 11.2. Pattern 17: Builder-Driven Test Data
    3. 11.3. Pattern 18: Timeout Defense in Depth
    4. 11.4. Pattern 19: Feature Gate Slices
    5. 11.5. Pattern 20: Macro Pattern Enforcement