Add source parameter to ErrorFrame and set it in FrameProcessor. Updated error handling in AnthropicLLMService and DeepgramSTTService to include ErrorFrame with source information.

src/pipecat/frames/frames.py

@@ -652,10 +652,12 @@ class ErrorFrame(SystemFrame):
     Parameters:
         error: Description of the error that occurred.
         fatal: Whether the error is fatal and requires bot shutdown.
+        source: The frame processor that generated the error.
     """
 
     error: str
     fatal: bool = False
+    source: Optional[FrameProcessor] = None
 
     def __str__(self):
         return f"{self.name}(error: {self.error}, fatal: {self.fatal})"