Fix operation name of llm span

Change-Id: I4a6f48d0f66b8ad00a6ce4be8dcf4a46aba68e33
Co-developed-by: Cursor <[email protected]>

Author: Cirilla-zmh

util/opentelemetry-util-genai/src/opentelemetry/util/genai/span_utils.py

@@ -54,9 +54,7 @@ def _get_llm_common_attributes(
     Returns a dictionary of attributes.
     """
     attributes: dict[str, Any] = {}
-    attributes[GenAI.GEN_AI_OPERATION_NAME] = (
-        GenAI.GenAiOperationNameValues.CHAT.value
-    )
+    attributes[GenAI.GEN_AI_OPERATION_NAME] = invocation.operation_name
     if invocation.request_model:
         attributes[GenAI.GEN_AI_REQUEST_MODEL] = invocation.request_model
     if invocation.provider is not None:

util/opentelemetry-util-genai/src/opentelemetry/util/genai/types.py

@@ -22,11 +22,10 @@
 from typing_extensions import TypeAlias
 
 from opentelemetry.context import Context
-from opentelemetry.trace import Span
-
 from opentelemetry.semconv._incubating.attributes import (
     gen_ai_attributes as GenAI,
 )
+from opentelemetry.trace import Span
 
 ContextToken: TypeAlias = Token[Context]