implement

Use to implement a feature from its tasks.json with test-driven development — writes a failing test first, makes it pass, refactors, gates, and commits per task. Triggers on "implement {slug}", "build {slug}", "TDD {slug}", "code up the tasks for {slug}", "/sdd:implement {slug}", "імплементуй {slug}", "реалізуй фічу {slug}", "напиши код за задачами". Reads docs/features/{slug}/tasks.json + the upstream artifacts, detects the repo's test/lint/vet commands stack-agnostically, builds a dependency DAG, and runs one of three modes — sequential single-agent TDD, an agent team (TeamCreate), or a dynamic Workflow — chosen from settings + DAG shape with graceful fallback. Hard-refuses if tasks.json is missing.