Organize uploader storage and restore transfer readiness

apps/server/test/phase2.test.ts

@@ -66,7 +66,7 @@ test('파일은 수락 전 업로드되지 않으며 실제 스트리밍 저장
         { name: '파일.txt', size: bytes.length, type: 'text/plain' },
       ]);
     assert.equal((await upload(f, a, id, '파일.txt', bytes)).statusCode, 409);
-    assert.equal((await readdir(f.service.storage.originals)).length, 0);
+    assert.equal((await Array.fromAsync(f.service.storage.layout.entries())).length, 0);
     assert.equal(
       (await f.call(b, `/transfer-requests/${id}/accept`, 'POST', {}, randomUUID())).statusCode,
       200,
@@ -267,7 +267,7 @@ test('실행 취소 기한과 자연 만료를 검사하며 마지막 권한 뒤
       await f.call(b, '/access/delete-batch', 'POST', { ids: [receiver.accessId] })
     ).json();
     await f.service.storage.cleanup();
-    assert.equal((await readdir(f.service.storage.originals)).length, 1);
+    assert.equal((await Array.fromAsync(f.service.storage.layout.entries())).length, 1);
     f.service.db
       .update(s.deletions)
       .set({ undoUntil: Date.now() - 1 })
@@ -283,7 +283,7 @@ test('실행 취소 기한과 자연 만료를 검사하며 마지막 권한 뒤
       .run();
     f.service.cleanup();
     await f.service.storage.cleanup();
-    assert.equal((await readdir(f.service.storage.originals)).length, 0);
+    assert.equal((await Array.fromAsync(f.service.storage.layout.entries())).length, 0);
   } finally {
     await f.close();
   }