chore: add license header for web

README.md

@@ -1,4 +1,4 @@
-# Deer
+# 🦌 Deer
 
 [![Python 3.12+](https://img.shields.io/badge/python-3.12+-blue.svg)](https://www.python.org/downloads/)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
@@ -36,7 +36,7 @@ uv run main.py
 
 This project also includes a web UI that allows you to interact with the deep researcher.
 
-Please visit the [deer-web](https://github.com/bytedance/deer-web) repository for more details.
+Please visit the [deer-web](./web/) directory for more details.
 
 
 ## Supported Search Engines

web/eslint.config.js

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { FlatCompat } from "@eslint/eslintrc";
 import tseslint from "typescript-eslint";
 

web/next.config.js

@@ -2,6 +2,9 @@
  * Run `build` or `dev` with `SKIP_ENV_VALIDATION` to skip env validation. This is especially useful
  * for Docker builds.
  */
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import "./src/env.js";
 
 /** @type {import("next").NextConfig} */

web/package.json

@@ -21,13 +21,13 @@
     "@radix-ui/react-slot": "^1.2.0",
     "@radix-ui/react-tabs": "^1.1.4",
     "@radix-ui/react-tooltip": "^1.2.0",
-    "@t3-oss/env-nextjs": "^0.12.0",
+    "@t3-oss/env-nextjs": "^0.11.0",
     "best-effort-json-parser": "^1.1.3",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "framer-motion": "^12.6.5",
     "hast": "^1.0.0",
-    "katex": "^0.16.22",
+    "katex": "^0.16.21",
     "lru-cache": "^11.1.0",
     "lucide-react": "^0.487.0",
     "motion": "^12.6.5",

web/postcss.config.js

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 export default {
   plugins: {
     "@tailwindcss/postcss": {},

web/prettier.config.js

@@ -1,4 +1,7 @@
 /** @type {import('prettier').Config & import('prettier-plugin-tailwindcss').PluginOptions} */
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 export default {
   plugins: ["prettier-plugin-tailwindcss"],
 };

web/src/app/_components/conversation-starter.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { motion } from "framer-motion";
 
 import { cn } from "~/lib/utils";

web/src/app/_components/fav-icon.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 export function FavIcon({ url, title }: { url: string; title?: string }) {
   return (
     <img

web/src/app/_components/input-box.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { ArrowUpOutlined, CloseOutlined } from "@ant-design/icons";
 import { AnimatePresence, motion } from "framer-motion";
 import {

web/src/app/_components/loading-animation.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { cn } from "~/lib/utils";
 
 import styles from "./loading-animation.module.css";

web/src/app/_components/logo.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { useState } from "react";
 
 import { Markdown } from "./markdown";

web/src/app/_components/markdown.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { CheckOutlined, CopyOutlined } from "@ant-design/icons";
 import { useMemo, useState } from "react";
 import ReactMarkdown, {

web/src/app/_components/message-list-view.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { parse } from "best-effort-json-parser";
 import { motion } from "framer-motion";
 import { useCallback, useMemo } from "react";

web/src/app/_components/messages-block.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { useCallback, useRef, useState } from "react";
 
 import type { Option } from "~/core/messages";

web/src/app/_components/rainbow-text.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { cn } from "~/lib/utils";
 
 import styles from "./rainbow-text.module.css";

web/src/app/_components/research-activities-block.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import {
   BookOutlined,
   PythonOutlined,

web/src/app/_components/research-block.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { CloseOutlined } from "@ant-design/icons";
 import { useEffect, useState } from "react";
 

web/src/app/_components/research-report-block.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { useMessage } from "~/core/store";
 import { cn } from "~/lib/utils";
 

web/src/app/_components/rolling-text.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { motion, AnimatePresence } from "framer-motion";
 
 import { cn } from "~/lib/utils";

web/src/app/_components/scroll-container.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { useStickToBottom } from "use-stick-to-bottom";
 
 import { cn } from "~/lib/utils";

web/src/app/_components/welcome.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { motion } from "framer-motion";
 
 import { cn } from "~/lib/utils";

web/src/app/layout.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import "~/styles/globals.css";
 
 import { type Metadata } from "next";

web/src/app/page.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 "use client";
 
 import { GithubOutlined } from "@ant-design/icons";

web/src/components/ui/button.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { Slot } from "@radix-ui/react-slot";
 import { cva, type VariantProps } from "class-variance-authority";
 import * as React from "react";

web/src/components/ui/card.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import * as React from "react"
 
 import { cn } from "~/lib/utils"

web/src/components/ui/tabs.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 "use client"
 
 import * as React from "react"

web/src/components/ui/tooltip.tsx

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 "use client";
 
 import * as React from "react";

web/src/core/api/chat.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { env } from "~/env";
 
 import { fetchStream } from "../sse";

web/src/core/api/index.ts

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

web/src/core/api/types.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import type { Option } from "../messages";
 import type { StreamEvent } from "../sse";
 

web/src/core/messages/index.ts

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

web/src/core/messages/merge-message.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import type {
   ChatEvent,
   InterruptEvent,

web/src/core/messages/types.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 export type MessageRole = "user" | "assistant" | "tool";
 
 export interface Message {

web/src/core/rehype/index.ts

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

web/src/core/rehype/rehype-split-words-into-spans.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import type { Element, Root, ElementContent } from "hast";
 import { visit } from "unist-util-visit";
 import type { BuildVisitor } from "unist-util-visit";

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";

web/src/core/store/index.ts

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

web/src/core/store/store.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { parse } from "best-effort-json-parser";
 import { nanoid } from "nanoid";
 import { create } from "zustand";

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));
 }

web/src/env.js

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { createEnv } from "@t3-oss/env-nextjs";
 import { z } from "zod";
 

web/src/lib/utils.ts

@@ -1,3 +1,6 @@
+// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+// SPDX-License-Identifier: MIT
+
 import { clsx, type ClassValue } from "clsx"
 import { twMerge } from "tailwind-merge"