- Add TDD cycle specification (SPEC → RED → GREEN → REFACTOR → NEXT) - Add applicability check for test infrastructure and implementation tasks - Add TDD execution rules (TEST FIRST, MINIMAL IMPLEMENTATION, etc.) - Add 'NO TEST DELETION' to ZERO TOLERANCE FAILURES section - Add skip notation requirement for non-applicable tasks Addresses: #243 🤖 Generated with assistance of OhMyOpenCode (https://github.com/code-yeongyu/oh-my-opencode)