+
### 音域調整
「音域調整」の値が大きいほど高い音域で、小さいほど低い音域でうまく歌えるようになります。
diff --git a/public/res/song2.png b/public/res/song2.png
new file mode 100644
index 0000000000..be2014418c
Binary files /dev/null and b/public/res/song2.png differ
diff --git a/src/backend/browser/fileImpl.ts b/src/backend/browser/fileImpl.ts
index 25c3f6684c..d60f85f30f 100644
--- a/src/backend/browser/fileImpl.ts
+++ b/src/backend/browser/fileImpl.ts
@@ -3,6 +3,9 @@ import { directoryHandleStoreKey } from "./contract";
import { openDB } from "./browserConfig";
import { SandboxKey } from "@/type/preload";
import { failure, success } from "@/type/result";
+import { createLogger } from "@/domain/frontend/log";
+
+const log = createLogger("fileImpl");
const storeDirectoryHandle = async (
directoryHandle: FileSystemDirectoryHandle,
@@ -176,3 +179,45 @@ export const checkFileExistsImpl: (typeof window)[typeof SandboxKey]["checkFileE
return Promise.resolve(fileEntries.includes(fileName));
};
+
+// FileSystemFileHandleを保持するMap。キーは生成した疑似パス。
+const fileHandleMap: Map