feat(web): complete MVP0 public layout, banner, and SEO baseline

apps/web/src/app/[locale]/layout.tsx

@@ -1,7 +1,12 @@
+import { getPublicHeaderBanner } from "@cms/db"
 import { notFound } from "next/navigation"
 import { hasLocale, NextIntlClientProvider } from "next-intl"
+import { getTranslations } from "next-intl/server"
 import type { ReactNode } from "react"
 
+import { PublicHeaderBanner } from "@/components/public-header-banner"
+import { PublicSiteFooter } from "@/components/public-site-footer"
+import { PublicSiteHeader } from "@/components/public-site-header"
 import { routing } from "@/i18n/routing"
 import { Providers } from "../providers"
 
@@ -12,6 +17,28 @@ type LocaleLayoutProps = {
   }>
 }
 
+export async function generateMetadata({ params }: LocaleLayoutProps) {
+  const { locale } = await params
+
+  if (!hasLocale(routing.locales, locale)) {
+    return {}
+  }
+
+  const t = await getTranslations({
+    locale,
+    namespace: "Seo",
+  })
+
+  return {
+    title: t("title"),
+    description: t("description"),
+    openGraph: {
+      title: t("title"),
+      description: t("description"),
+    },
+  }
+}
+
 export default async function LocaleLayout({ children, params }: LocaleLayoutProps) {
   const { locale } = await params
 
@@ -19,9 +46,16 @@ export default async function LocaleLayout({ children, params }: LocaleLayoutPro
     notFound()
   }
 
+  const banner = await getPublicHeaderBanner()
+
   return (
     <NextIntlClientProvider locale={locale}>
-      <Providers>{children}</Providers>
+      <Providers>
+        <PublicHeaderBanner banner={banner} />
+        <PublicSiteHeader />
+        <main>{children}</main>
+        <PublicSiteFooter />
+      </Providers>
     </NextIntlClientProvider>
   )
 }