fix handlers

cookbook/livekit_agent_sdk/main.py

@@ -32,7 +32,7 @@ async def run_voice_agent():
     print(f"   Proxy: {PROXY_URL}")
     print()
     
-    async with websockets.connect(url, extra_headers=headers) as ws:
+    async with websockets.connect(url, additional_headers=headers) as ws:
         # Receive initial connection event
         initial = json.loads(await ws.recv())
         print(f"✅ Connected! Event: {initial['type']}\n")

docs/my-website/docs/tutorials/livekit_xai_realtime.md

@@ -178,12 +178,28 @@ Because they make up everything!
 ```
 
 
-## Complete Working Example (Cookbook)
+## Complete Working Example
 
-See the full working example in our [LiveKit Agent SDK Cookbook](https://github.com/BerriAI/litellm/tree/main/cookbook/livekit_agent_sdk).
+**[LiveKit Agent SDK Cookbook](https://github.com/BerriAI/litellm/tree/main/cookbook/livekit_agent_sdk)**
+
+Includes:
+- ✅ Simple voice agent (`main.py`)
+- ✅ Config example (`config.example.yaml`)  
+- ✅ How to run guide (`HOW_TO_RUN.md`)
+
+### Quick Test
+
+```bash
+# 1. Start proxy
+poetry run litellm --config cookbook/livekit_agent_sdk/config.example.yaml --port 4000
+
+# 2. Run agent (in new terminal)
+cd cookbook/livekit_agent_sdk
+poetry run python main.py
+```
 
 ## Learn More
 
-- [xAI Realtime API Documentation](/docs/providers/xai_realtime)
-- [LiveKit xAI Plugin Docs](https://docs.livekit.io/agents/models/realtime/plugins/xai/)
+- [xAI Realtime API](/docs/providers/xai_realtime)
+- [LiveKit xAI Plugin](https://docs.livekit.io/agents/models/realtime/plugins/xai/)
 - [LiteLLM Realtime API](/docs/realtime)

litellm/llms/openai/realtime/handler.py

@@ -131,7 +131,7 @@ class OpenAIRealtime(OpenAIChatCompletion):
             )
             async with websockets.connect(  # type: ignore
                 url,
-                extra_headers=headers,  # type: ignore
+                additional_headers=headers,  # type: ignore
                 max_size=REALTIME_WEBSOCKET_MAX_MESSAGE_SIZE_BYTES,
                 ssl=ssl_config,
             ) as backend_ws: