feat(sharing): add email and message sharing functionality

app/[locale]/shared/message/[token]/page.tsx

@@ -0,0 +1,33 @@
+import { getTranslations } from "next-intl/server"
+import { getSharedMessage } from "@/lib/shared-data"
+import { SharedErrorPage } from "@/components/emails/shared-error-page"
+import { SharedMessagePageClient } from "./page-client"
+
+interface PageProps {
+  params: Promise<{
+    token: string
+    locale: string
+  }>
+}
+
+export default async function SharedMessagePage({ params }: PageProps) {
+  const { token } = await params
+  const tShared = await getTranslations("emails.shared")
+  
+  // 服务端获取数据
+  const message = await getSharedMessage(token)
+  
+  if (!message) {
+    return (
+      <SharedErrorPage
+        title={tShared("messageNotFound")}
+        subtitle={tShared("linkExpired")}
+        error={tShared("linkInvalid")}
+        description={tShared("linkInvalidDescription")}
+        ctaText={tShared("createOwnEmail")}
+      />
+    )
+  }
+
+  return <SharedMessagePageClient message={message} />
+}