Build and review WebJs applications. Use when working on WebJs app structure, pages, layouts, routes, server actions, components, signals, data and validation, auth, sessions, styling, the client router, streaming, or tests. WebJs is AI-first, web-components-first, and has no build step.
Use this skill whenever a change affects what webjs create GENERATES (a new or changed gallery/showcase demo, a new template, a changed generated file like the layout/home/theme/schema, a new convention that belongs in generated apps, a new scaffold-shipped config/hook) OR what the agent skill .agents/skills/webjs/…