chore: add license header for web

web/src/core/sse/StreamEvent.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 export interface StreamEvent {
   type: string;
   data: object;

web/src/core/sse/fetch-stream.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { type StreamEvent } from "./StreamEvent";
 
 export async function* fetchStream<T extends StreamEvent>(

web/src/core/sse/index.ts

@@ -1,2 +1,5 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 export * from "./fetch-stream";
 export * from "./StreamEvent";