feat: add tracing to streaming interface (#2477)

letta/interfaces/anthropic_streaming_interface.py

@@ -37,6 +37,7 @@ from letta.schemas.letta_message_content import ReasoningContent, RedactedReason
 from letta.schemas.message import Message
 from letta.schemas.openai.chat_completion_response import FunctionCall, ToolCall
 from letta.server.rest_api.json_parser import JSONParser, PydanticJSONParser
+from letta.tracing import trace_method
 
 logger = get_logger(__name__)
 
@@ -115,6 +116,7 @@ class AnthropicStreamingInterface:
             logger.error("Error checking inner thoughts: %s", e)
             raise
 
+    @trace_method
     async def process(self, stream: AsyncStream[BetaRawMessageStreamEvent]) -> AsyncGenerator[LettaMessage, None]:
         prev_message_type = None
         message_index = 0