implement-feature-complete

Features and purpose

Complete feature implementation lifecycle with 10 stages: planning, TDD, naming, DRY, implementation, refactor, integration testing, E2E testing, real usage validation, and production monitoring. Use when implementing new features, significant changes, or onboarding to project workflow. Ensures Clean Architecture, fail-fast principles, ServiceResult pattern, and quality gates.

Quick start

Follow the repository instructions for this skill and your agent. Review the files and dependencies before adding it to your workflow.