홈 페이지와 갤러리 페이지에서 사진 및 동영상만 표시되도록 개선

src/routes/(main)/home/service.ts

@@ -1,10 +1,14 @@
 import { getAllFileInfos } from "$lib/indexedDB";
 
-export const requestFreshFilesRetrieval = async (limit = 8) => {
+export const requestFreshMediaFilesRetrieval = async (limit = 8) => {
   const files = await getAllFileInfos();
   files.sort(
     (a, b) =>
       (b.createdAt ?? b.lastModifiedAt).getTime() - (a.createdAt ?? a.lastModifiedAt).getTime(),
   );
-  return files.slice(0, limit);
+  return files
+    .filter(
+      ({ contentType }) => contentType.startsWith("image/") || contentType.startsWith("video/"),
+    )
+    .slice(0, limit);
 };