Set up and use the Flags SDK The Flags SDK ( npm package) is a feature flags toolkit for Next.js and SvelteKit. It turns each feature flag into a callable function, works with any flag provider via adapters, and keeps pages static using the precompute pattern. Vercel Flags is the first-party provider; its adapter is . - Docs: https://flags-sdk.dev - Repo: https://github.com/vercel/flags This skill covers the code. Planning a flag, choosing between the Flags SDK, , and OpenFeature, and managing flags in the dashboard or with the CLI belong to the skill. Archiving a flag, deleting it, or removi…