📝 docs(readme): add sample execution traces for agent usage

- Added a new section with example LangSmith traces in README.md
- Provided links demonstrating DeepWiki MCP documentation queries
- Included links showing integration with Tavily web search
- Updated README_CN.md with corresponding example execution traces in Chinese
- Help users understand agent functionality through practical examples

Author: webup

README.md

@@ -53,6 +53,13 @@ The ReAct agent:
 
 The agent comes with web search capabilities and optional DeepWiki MCP documentation tools, but can be easily extended with custom tools to suit various use cases.
 
+### Sample Execution Traces
+
+See these LangSmith traces to understand how the agent works in practice:
+
+- **[DeepWiki Documentation Query](https://smith.langchain.com/public/d0594549-7363-46a7-b1a2-d85b55aaa2bd/r)** - Shows agent using DeepWiki MCP tools to query GitHub repository documentation
+- **[Web Search Query](https://smith.langchain.com/public/6ce92fd2-c0e4-409b-9ce2-02499ae16800/r)** - Demonstrates Tavily web search integration and reasoning loop
+
 ## Getting Started
 
 ### Setup with uv (Recommended)

README_CN.md

@@ -62,6 +62,13 @@ ReAct 智能体的工作流程：
 
 智能体内置 Web 搜索功能和可选的 DeepWiki MCP 文档工具，可轻松扩展以支持各种用例的自定义工具。
 
+### 示例执行追踪
+
+查看这些 LangSmith 追踪记录，了解智能体的实际工作原理：
+
+- **[DeepWiki 文档查询](https://smith.langchain.com/public/d0594549-7363-46a7-b1a2-d85b55aaa2bd/r)** - 展示智能体使用 DeepWiki MCP 工具查询 GitHub 仓库文档
+- **[Web 搜索查询](https://smith.langchain.com/public/6ce92fd2-c0e4-409b-9ce2-02499ae16800/r)** - 演示 Tavily Web 搜索集成和推理循环
+
 ## 快速开始
 
 ### 使用 uv 安装（推荐）