[LocalMode] A reactive online/offline indicator (NetworkBadge) sourced from useNetworkStatus, plus an OfflineReady badge that signals the app's required model is cached on-device and can run with no network. Because local models keep working offline, offline is informational, not an error.
pnpm dlx shadcn@latest add "https://registry.directory/r/localmode-ai/ui/local-first/network-badge.json"