feat: version banner UI + GET /api/v1/version backend endpoint

ordinis-admin-ui/src/routes/__root.tsx

@@ -3,6 +3,8 @@ import type { QueryClient } from '@tanstack/react-query'
 import { useTranslation } from 'react-i18next'
 import { LanguageSwitch } from '@nstart/ui'
 import { AuthBadge } from '@/auth/AuthBadge'
+import { UpdateBanner } from '@/components/version/UpdateBanner'
+import { VersionBadge } from '@/components/version/VersionBadge'
 
 export const Route = createRootRouteWithContext<{ queryClient: QueryClient }>()({
   component: RootLayout,
@@ -17,6 +19,7 @@ function RootLayout() {
   const { t, i18n } = useTranslation()
   return (
     <div className="min-h-full flex flex-col bg-white">
+      <UpdateBanner />
       <header className="border-b border-regolith bg-white">
         <div className="max-w-6xl mx-auto px-4 sm:px-6 py-3 sm:py-4 flex items-center flex-wrap gap-3 sm:gap-6">
           <Link to="/" className="font-primary text-base sm:text-lg text-ultramarain">
@@ -74,6 +77,7 @@ function RootLayout() {
             </Link>
           </nav>
           <div className="ml-auto flex items-center gap-3">
+            <VersionBadge />
             <LanguageSwitch
               value={i18n.language}
               options={LANG_OPTIONS}