- Install prettier - Configure .prettierrc.json and .prettierignore - Add npm scripts: format, format:check - Add Makefile target: format-frontend - Format all frontend files
- Created frontend/e2e/helpers/auth.ts with shared auth utilities - Extracted getRequiredEnv, REGULAR_USER, ADMIN_USER, clearAuth, loginUser - Updated all three e2e test files to use shared helpers - Reduced code duplication across test files