Introducing deeper integrations for feature flags in Vercel

This post introduces deeper integrations for feature flags within Vercel's Developer Experience Platform. Key contributions include: 1. Overriding flags directly from the Vercel Toolbar, storing overrides in an encrypted cookie. 2. Integration with Vercel Web Analytics to filter and break down page views and custom events by feature flags. 3. Integration with Vercel Runtime Logs to provide context for debugging and troubleshooting. 4. Introduction of the `@vercel/flags/next` package for a new experimental Next.js design pattern that enables server-side experimentation by precomputing flags in Middleware, aiming to eliminate jank and improve performance.