What problem does it solve? Building React frontends inside a Laravel application requires correct use of Inertia.js v3 patterns, and mistakes like using plain anchor tags or mishandling deferred props break SPA behavior and degrade user experience. ## Core Features & Use Cases - Page Components & Navigation: Create React page components in resources/js/Pages and wire client-side navigation with <Link>, router.visit, and prefetching. - Form Handling: Build forms with the <Form> component or useForm hook, including error display, processing states, reset props, and file upload progress. - Inertia v3 Features: Apply deferred props, optimistic updates, instant visits, layout props via setLayoutProps, useHttp requests, usePoll polling, WhenVisible lazy loading, and InfiniteScroll pagination. - Use Case: When adding a user management page to a Laravel + React app, use this Skill to scaffold the page component, wire a creation form with validation errors, and add polling for live stats. ## Quick Start Create an Inertia React page component with a form that posts to /users and displays validation errors.