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Token auto-refresh (middleware): - Proactively refresh fr_access when < 120s remain — no more silent 15-min kick - Inlines /v1/auth/refresh call in middleware, stamps new cookies on response - /admin/* protected: is_admin JWT claim required, else redirect /dashboard - apiFetch() (src/lib/api/fetch.ts): client-side 401 → auto-refresh → retry; de-duplicates concurrent refresh calls; redirects to /auth on failure Studio → Render V2 wiring: - scenes[] no longer sent to POST /api/render (V2 render-svc fetches project from Studio service via saved_project_id directly) - renderRequestSchema.scenes is now optional - RenderModal uses apiFetch for auto-refresh on 401 during polling Admin panel (/admin/*): - Admin layout: server-side is_admin guard + top nav (Nodes, Render Queue) - /admin/nodes: lists all nodes from GET /v1/nodes with status badges, heartbeat age, slot usage, tags; Drain (PATCH status=Draining) + Release actions - /admin/renders: render job table with step filter tabs; progress bars, error messages, Retry + Cancel per-row actions; polls GET /v1/renders - API proxy routes: /api/admin/nodes/:id/drain|release, /api/admin/renders/:id/retry|cancel — all validate is_admin in JWT before proxying Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>