파일 및 디렉터리 목록을 IndexedDB에 캐싱하도록 구현

src/lib/server/services/directory.ts

@@ -19,9 +19,9 @@ export const getDirectoryInformation = async (userId: number, directoryId: "root
 
   const directories = await getAllDirectoriesByParent(userId, directoryId);
   const files = await getAllFilesByParent(userId, directoryId);
-
   return {
     metadata: directory && {
+      parentId: directory.parentId ?? ("root" as const),
       mekVersion: directory.mekVersion,
       encDek: directory.encDek,
       dekVersion: directory.dekVersion,

src/lib/server/services/file.ts

@@ -23,6 +23,7 @@ export const getFileInformation = async (userId: number, fileId: number) => {
   }
 
   return {
+    parentId: file.parentId ?? ("root" as const),
     mekVersion: file.mekVersion,
     encDek: file.encDek,
     dekVersion: file.dekVersion,