Merge branch 'main' into main-sse-disconnect

Author: lcamhoa

README.md

@@ -619,7 +619,7 @@ server = Server("example-server", lifespan=server_lifespan)
 # Access lifespan context in handlers
 @server.call_tool()
 async def query_db(name: str, arguments: dict) -> list:
-    ctx = server.request_context
+    ctx = server.get_context()
     db = ctx.lifespan_context["db"]
     return await db.query(arguments["query"])
 ```

examples/clients/simple-chatbot/README.MD

@@ -25,6 +25,7 @@ This example demonstrates how to integrate the Model Context Protocol (MCP) into
    ```plaintext
    LLM_API_KEY=your_api_key_here
    ```
+   **Note:** The current implementation is configured to use the Groq API endpoint (`https://api.groq.com/openai/v1/chat/completions`) with the `llama-3.2-90b-vision-preview` model. If you plan to use a different LLM provider, you'll need to modify the `LLMClient` class in `main.py` to use the appropriate endpoint URL and model parameters.
 
 3. **Configure servers:**