Add support for universal LLMContext to RTVIObserver

src/pipecat/processors/frameworks/rtvi.py

@@ -42,6 +42,7 @@ from pipecat.frames.frames import (
     FunctionCallResultFrame,
     InputAudioRawFrame,
     InterimTranscriptionFrame,
+    LLMContextFrame,
     LLMFullResponseEndFrame,
     LLMFullResponseStartFrame,
     LLMMessagesAppendFrame,
@@ -916,7 +917,10 @@ class RTVIObserver(BaseObserver):
             and self._params.user_transcription_enabled
         ):
             await self._handle_user_transcriptions(frame)
-        elif isinstance(frame, OpenAILLMContextFrame) and self._params.user_llm_enabled:
+        elif (
+            isinstance(frame, (OpenAILLMContextFrame, LLMContextFrame))
+            and self._params.user_llm_enabled
+        ):
             await self._handle_context(frame)
         elif isinstance(frame, LLMFullResponseStartFrame) and self._params.bot_llm_enabled:
             await self.push_transport_message_urgent(RTVIBotLLMStartedMessage())
@@ -1017,16 +1021,20 @@ class RTVIObserver(BaseObserver):
         if message:
             await self.push_transport_message_urgent(message)
 
-    async def _handle_context(self, frame: OpenAILLMContextFrame):
+    async def _handle_context(self, frame: OpenAILLMContextFrame | LLMContextFrame):
         """Process LLM context frames to extract user messages for the RTVI client."""
         try:
-            messages = frame.context.messages
+            if isinstance(frame, OpenAILLMContextFrame):
+                messages = frame.context.messages
+            else:
+                messages = frame.context.get_messages()
             if not messages:
                 return
 
             message = messages[-1]
 
             # Handle Google LLM format (protobuf objects with attributes)
+            # Note: not possible if frame is a universal LLMContextFrame
             if hasattr(message, "role") and message.role == "user" and hasattr(message, "parts"):
                 text = "".join(part.text for part in message.parts if hasattr(part, "text"))
                 if text: