chore: add license header for web

web/src/core/utils/deep-clone.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 export function deepClone<T>(value: T): T {
   return JSON.parse(JSON.stringify(value));
 }

web/src/core/utils/index.ts

@@ -1 +1,4 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 export * from "./time";

web/src/core/utils/time.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 export function sleep(ms: number) {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }