Enhance news component functionality and UI; implement dynamic grid layout in PublicNews.vue, add visibility and expiration options in news management, and update API to handle new fields for improved news filtering and display.

server/api/news.post.js

@@ -32,7 +32,7 @@ export default defineEventHandler(async (event) => {
     }
 
     const body = await readBody(event)
-    const { id, title, content, isPublic } = body
+    const { id, title, content, isPublic, expiresAt, isHidden } = body
 
     if (!title || !content) {
       throw createError({
@@ -46,6 +46,8 @@ export default defineEventHandler(async (event) => {
       title,
       content,
       isPublic: isPublic || false,
+      expiresAt: expiresAt || undefined,
+      isHidden: isHidden || false,
       author: user.name
     })