Guides developers through a 6-stage document-first development process (Proposal → Spec → Design → Plan → Test → Trace) before writing any code. Supports 3 team maturity levels with adaptive document generation and change propagation tracking. Use when starting new features, transitioning to spec-first development, or managing document cascade updates. Triggers: 'new requirement', 'Spec Coding', 'document-first', 'spec-driven', '/spec-workflow'.
2026-04-11