home-assistant/frontend

ha-frontend-review

Home Assistant frontend PR and review guidance. Use when reviewing frontend changes, preparing a PR, checking recurring review issues, or applying the PR template.

ha-frontend-testing

Home Assistant frontend testing and validation workflow. Use when adding or updating tests, running lint, TypeScript checks, Vitest, Playwright e2e suites, dev servers, or chart-data benchmarks.

ha-frontend-lit

Home Assistant frontend Lit conventions. Use when working with reactive properties, internal state, DOM queries, lifecycle methods, or render-derived state.

ha-frontend-types

Home Assistant frontend TypeScript conventions. Use when defining or reviewing backend data contracts, optional schemas, shared types, assertions, or Lit lifecycle types.

ha-frontend-components

Home Assistant frontend component patterns. Use when implementing or reviewing dialogs, ha-form, ha-alert, keyboard shortcuts, tooltips, panels, Lovelace cards, or ha-button usage.

ha-frontend-events

Home Assistant frontend event patterns. Use when typing event handlers, using HASSDomEvent types, dispatching with fireEvent, or declaring HASSDomEvents and event maps.

ha-frontend-demo

Home Assistant standalone demo structure, configurations, URL navigation, mocked APIs, shared demo stubs used by gallery, and verification. Use when changing files under demo/, changing gallery consumers of demo/src/stubs/, or running and validating the demo.

ha-frontend-contexts

Home Assistant frontend Lit context and hass migration guidance. Use when adding or changing component state access, replacing hass reads, consuming entity or registry contexts, or reviewing rerender behavior.

ha-frontend-gallery

Home Assistant frontend gallery structure, pages, demos, content, and verification. Use when changing files under gallery/, including gallery markdown, TypeScript demos, sidebar entries, mock data, page generation, or gallery builds.

ha-frontend-user-facing-text

Home Assistant frontend copy, localization, terminology, and user-facing text guidance. Use when adding or reviewing labels, buttons, dialogs, errors, translations, or UI strings.

ha-frontend-styling

Home Assistant frontend styling, theming, spacing, responsive layout, RTL, and View Transitions guidance. Use when editing CSS, layout, motion, or visual component structure.