View Transitions Cross Framework · jlex11 bundle Comprehensive implementation and debugging guide for the View Transitions API across Astro, Next.js, Angular, React Router, Remix, Nuxt, SvelteKit, Qwik, TanStack Router, and vanilla JavaScript. Use when Codex needs to add or refactor page/state transitions, implement shared-element animations, customize ::view-transition-* CSS, integrate transitions with framework routing, enforce reduced-motion and browser fallbacks, or diagnose transition glitches.