Init with specs

README.md

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-# P2P Poll App
+# P2P Poll App
+
+A decentralized polling app built with SvelteKit + PeerJS. Mobile-first, peer-to-peer.
+
+## UI Guidelines
+
+All UI code must follow mobile-first principles:
+
+- **Touch targets**: ≥ 44px
+- **Layout**: Single-column on mobile, expand on larger screens
+- **Navigation**: Bottom tab bar (Home, Create, Profile)
+- **Dark mode**: Respect `prefers-color-scheme`
+- **Tailwind**: Mobile breakpoints are the default; use `md:` / `lg:` to scale up