BREAKING CHANGE: commonLayout is now an async Server Component that
prefetches user-profile and current-workspace on the server via
TanStack Query's prefetchQuery + HydrationBoundary pattern. This
replaces the previous purely client-side data fetching approach.
Key changes:
- **SSR data prefetch (root layout)**: prefetch systemFeatures and
setupStatus in the root layout server component, wrap children with
HydrationBoundary to hydrate TanStack Query cache on the client.
- **SSR data prefetch (commonLayout)**: convert commonLayout from a
client component to an async server component that prefetches
user-profile (with x-version/x-env response headers) and
current-workspace. Client-side providers/UI extracted to a new
layout-client.tsx component.
- **Add loading.tsx (Next.js convention)**: add a Next.js loading.tsx
file in commonLayout that shows a centered spinner. This replaces the
deleted Splash component but works via Next.js built-in Suspense
boundary for route segments, not a client-side overlay.
- **Extract shared SSR fetch utilities (utils/ssr-fetch.ts)**: create
serverFetch (unauthenticated) and serverFetchWithAuth (with cookie
forwarding + CSRF token). getAuthHeaders is wrapped with React.cache()
for per-request deduplication across multiple SSR fetches.
- **Refactor AppInitializer**: split single monolithic async IIFE effect
into three independent useEffects (oauth tracking, education verify,
setup status check). Use useReducer for init flag, useRef to prevent
duplicate tracking in StrictMode. Now reads setupStatus from TanStack
Query cache (useSetupStatusQuery) instead of fetching independently.
- **Refactor global-public-context**: move Zustand store sync from
queryFn side-effect to a dedicated useEffect, keeping queryFn pure.
fetchSystemFeatures now simply returns the API response.
- **Fix usePSInfo SSR crash**: defer globalThis.location access from
hook top-level to callback execution time via getDomain() helper,
preventing "Cannot read properties of undefined" during server render.
- **Remove Splash component**: delete the client-side loading overlay
that relied on useIsLogin polling, replaced by Next.js loading.tsx.
- **Remove staleTime/gcTime overrides in useUserProfile**: allow the
SSR-prefetched data to be reused via default cache policy instead of
forcing refetch on every mount.
- **Revert middleware auth guard**: remove the cookie-based session
check in proxy.ts that caused false redirects to /signin for
authenticated users (Dify's auth uses token refresh, not simple
cookie presence).
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