Spec-Driven Development Structured development workflow with adaptive depth. Triggers Feature-level (auto-sized) - New feature ("create new feature", "specify feature", "from PRD", "modify feature") → specify.md - Discuss / capture context ("discuss feature", "how should this work") → discuss.md - Technical design ("create technical design", "plan feature") → design.md - Research technology ("cache research", "research topic") → research.md - Tasks ("create tasks") → tasks.md - Implement ("implement task", "execute task", "implement story S-1", "implement task T-1") → implement.md - Audit ("a…