n8n-conventions

📚 Full Documentation: Use this skill when you need quick reminders on critical patterns. TypeScript: Error Handling: Frontend: Backend: Testing: Database: Commands: Pinia Store: Vue Component: Service: 📖 Need more details? Read /AGENTS.md and /packages/frontend/AGENTS.md - General: /AGENTS.md - Architecture, commands, workflows - Frontend: /packages/frontend/AGENTS.md - CSS variables, timing - Never any → use unknown - Prefer satisfies over as (except tests) - Shared types in @n8n/api-types - Vue 3 Composition API ( ) - CSS variables (never hardcode px) - see /packages/frontend/AGENTS.md - All text via i18n ( $t('key') ) - data-testid for E2E (single value, no spaces) - Controller → Service → Repository - Dependency injection via @n8n/di - Config via @n8n/config - Zod schemas for validation - Vitest (unit), Playwright (E2E) - Mock external dependencies - Work from package directory: pushd packages/cli && pnpm test - SQLite/PostgreSQL only (app DB) - Exception: DB nodes (MySQL Node, etc.) can use DB-specific features