fix(tracing): convert tool schema dump from python to json (#195)

* fix(tracing): convert tool schema dump from python to json

* model dump json

* fix test error

Author: yaozheng-fang

tests/utils.py

@@ -28,7 +28,7 @@ def generate_events(length: int) -> list[Event]:
         )
         event = Event(
             invocation_id=str(uuid.uuid4()),
-            author="test_agent",
+            author="user",
             content=types.Content(
                 parts=[types.Part(text=random_chinese)],
                 role=["user", "model"][i % 2],

veadk/tracing/telemetry/attributes/extractors/llm_attributes_extractors.py

@@ -528,7 +528,7 @@ def llm_gen_ai_request_functions(params: LLMAttributesParams) -> ExtractorRespon
                 f"gen_ai.request.functions.{idx}.name": tool_instance.name,
                 f"gen_ai.request.functions.{idx}.description": tool_instance.description,
                 f"gen_ai.request.functions.{idx}.parameters": str(
-                    tool_instance._get_declaration().parameters.model_dump(  # type: ignore
+                    tool_instance._get_declaration().parameters.model_dump_json(  # type: ignore
                         exclude_none=True
                     )
                     if tool_instance._get_declaration()