<purpose Unified TDD workflow skill combining TDD planning (Red-Green-Refactor task chain generation with test-first development structure) and TDD verification (compliance validation with quality gate reporting). Produces IMPL PLAN.md, task JSONs with internal TDD cycles, and TDD COMPLIANCE REPORT.md. Triggers on "workflow-tdd-plan" (plan mode) or "workflow-tdd-verify" (verify mode). </purpose <process 1. Architecture Overview 2. Key Design Principles 1. Pure Orchestrator : SKILL.md routes and coordinates only; execution detail lives in phase files 2. Progressive Phase Loading : Read phase d…