Web Frontend Implementation Guide Use this skill together with . controls workflow, approval, and task tracking; this guide defines the implementation baseline after work is approved. Keep this entry file lean. Load only the reference packs needed for the current task. Scope For PMA-managed SPA and internal-tool frontend projects using: - React 19 + TypeScript + Vite 8 - TanStack Router for file-based type-safe routing - TanStack Query for server state - Zustand for UI-only client state - shadcn/ui (base-nova style) with primitives and Tailwind CSS v4 — this is the only allowed UI ecosystem;…