fix(public): distinguish unavailable data from empty results and missing pages

src/lib/services/news-list.ts

@@ -26,12 +26,15 @@ const CACHE_KEY = "news_list";
 const FETCH_LIMIT = 30;
 
 /**
- * Shared, cached news list used by both the homepage and the news archive so
+ * Shared, cached news preview list used by the homepage and other widgets so
  * a single "news_list" cache entry serves both routes. Returns at most
  * `limit` rows with `createdAt` normalized to a Date (the cache round-trip
  * serializes timestamps to ISO strings).
  */
-export async function getNewsList(limit: number): Promise<NewsListItem[]> {
+export async function getNewsList(
+	limit: number,
+	options: { throwOnError?: boolean } = {},
+): Promise<NewsListItem[]> {
 	try {
 		const rows = await cacheNews<NewsListRow[]>(CACHE_KEY, TTL_MS, () =>
 			db
@@ -62,6 +65,7 @@ export async function getNewsList(limit: number): Promise<NewsListItem[]> {
 			}))
 			.slice(0, limit);
 	} catch (error) {
+		if (options.throwOnError) throw error;
 		logger.error("Public news query failed", { module: "news", error });
 		return [];
 	}