실행 스크립트

개발 서버: npm run dev (http://127.0.0.1:8888)
개발 서버용 빌드: npm run build:dev
프로덕션 서버용 빌드: npm run build:prod
기본 프로덕션 빌드: npm run build
타입 검사: npm run typecheck
린트: npm run lint
Vitest watch: npm run test
Vitest 단발 실행: npm run test:run
Playwright E2E: npm run e2e
Phase 0 Gate 기준: npm ci, npx playwright install chromium webkit, npm run typecheck, npm run lint, npm run test:run -- src/app/App.test.tsx src/shared/config/env.test.ts, npm run e2e -- tests/e2e/smoke.spec.ts, npm run build:dev, npm run build:prod