Python: add agent telemetry (#283)

* add agent telemetry

* updated comments

* update AgentRunResponseUpdate

* updated create_agent var

---------

Co-authored-by: Chris <66376200+crickman@users.noreply.github.com>

python/packages/main/agent_framework/_agents.py

@@ -3,7 +3,7 @@
 import sys
 from collections.abc import AsyncIterable, Callable, MutableMapping, Sequence
 from enum import Enum
-from typing import Any, Literal, Protocol, TypeVar, runtime_checkable
+from typing import Any, ClassVar, Literal, Protocol, TypeVar, runtime_checkable
 from uuid import uuid4
 
 from pydantic import BaseModel, Field
@@ -22,6 +22,7 @@ from ._types import (
     ChatToolMode,
 )
 from .exceptions import AgentExecutionException
+from .telemetry import use_agent_telemetry
 
 if sys.version_info >= (3, 11):
     from typing import Self  # pragma: no cover
@@ -305,9 +306,11 @@ class ChatClientAgentThread(AgentThread):
 # region ChatClientAgent
 
 
+@use_agent_telemetry
 class ChatClientAgent(AgentBase):
     """A Chat Client Agent."""
 
+    AGENT_SYSTEM_NAME: ClassVar[str] = "microsoft.agent_framework"
     chat_client: ChatClient
     instructions: str | None = None
     chat_options: ChatOptions
@@ -525,7 +528,7 @@ class ChatClientAgent(AgentBase):
             response_id=response.response_id,
             created_at=response.created_at,
             usage_details=response.usage_details,
-            raw_representation=response.raw_representation,
+            raw_representation=response,
             additional_properties=response.additional_properties,
         )
 
@@ -626,7 +629,7 @@ class ChatClientAgent(AgentBase):
                 message_id=update.message_id,
                 created_at=update.created_at,
                 additional_properties=update.additional_properties,
-                raw_representation=update.raw_representation,
+                raw_representation=update,
             )
 
         response = ChatResponse.from_chat_response_updates(response_updates)