Scaffold a production-ready SaaS project. Checks stack freshness, product brief, design, generates a working hello world, and sets up GitHub CI/CD.
Full quality gate: build, lint, format, typecheck, unit tests, Minter integrity, visual verification, and E2E tests. Run after implementing a feature.
Manage isolated Convex preview environments with per-worktree port assignment. MANDATORY before any Playwright, E2E test, or browser testing.
Multi-pass code review covering Minter spec coverage, code quality, design system compliance, test strategy, and architecture. Use before considering a feature done or creating a PR.