서버 코드를 Router, Service, Repository 계층으로 분리하고 오류 처리 및 파일 삭제 로직 개선

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/lib/server/db/repositories/fileDeletion.ts

@@ -0,0 +1,28 @@
+import db from "../kysely";
+
+export const enqueueFileDeletions = async (
+  trx: typeof db,
+  paths: (string | null | undefined)[],
+) => {
+  const values = paths
+    .filter((path) => !!path)
+    .map((path) => ({ path: path!, enqueued_at: new Date() }));
+  if (values.length > 0) {
+    await trx.insertInto("file_deletion_queue").values(values).execute();
+  }
+};
+
+export const getPendingFileDeletions = async (limit: number) => {
+  return await db
+    .selectFrom("file_deletion_queue")
+    .select(["id", "path"])
+    .orderBy("id")
+    .limit(limit)
+    .execute();
+};
+
+export const completeFileDeletions = async (ids: number[]) => {
+  if (ids.length > 0) {
+    await db.deleteFrom("file_deletion_queue").where("id", "in", ids).execute();
+  }
+};