pnpm install
pnpm dev              # http://localhost:5173, every level open
pnpm typecheck        # strict TypeScript (tsc -b)
pnpm lint             # oxlint (zero warnings) + dependency-cruiser layer rules
pnpm format           # Prettier (format:check in CI)
pnpm test             # Vitest: node project (engine, services…) + dom project (app, pages…)
pnpm test:passbot     # replay every level's scripted solutions through the real game
pnpm levels:validate  # level schema + every text key exists
pnpm build            # production build → dist/ (with the offline service worker)
pnpm size             # gzip bundle budgets, after a build