Python: [BREAKING] Fix #3613 chat/agent message typing alignment (#3920)

* Fix #3613 message typing across chat and agents

* Address #3613 review feedback and sample input style

* refactor: use shared AgentRunMessages aliases (#3613)

* refactor: rename agent run input aliases for #3613

* samples: inline image content in run calls

* core: export AgentRunInputs from package init

* core: use explicit init re-exports without __all__

* updated logging and inits

* Fix core mypy export and samples XML note

* Remove AgentRunInputsOrNone and dedupe loggers

* Remove prepare_messages helper

* fix integration tests

python/packages/purview/agent_framework_purview/_client.py

@@ -5,12 +5,12 @@ from __future__ import annotations
 import base64
 import inspect
 import json
+import logging
 from typing import Any, cast
 from uuid import uuid4
 
 import httpx
 from agent_framework import AGENT_FRAMEWORK_USER_AGENT
-from agent_framework._logging import get_logger
 from agent_framework.observability import get_tracer
 from azure.core.credentials import TokenCredential
 from azure.core.credentials_async import AsyncTokenCredential
@@ -33,7 +33,7 @@ from ._models import (
 )
 from ._settings import PurviewSettings, get_purview_scopes
 
-logger = get_logger("agent_framework.purview")
+logger = logging.getLogger("agent_framework.purview")
 
 
 class PurviewClient:

python/packages/purview/agent_framework_purview/_middleware.py

@@ -1,9 +1,9 @@
 # Copyright (c) Microsoft. All rights reserved.
 
+import logging
 from collections.abc import Awaitable, Callable
 
 from agent_framework import AgentContext, AgentMiddleware, ChatContext, ChatMiddleware, MiddlewareTermination
-from agent_framework._logging import get_logger
 from azure.core.credentials import TokenCredential
 from azure.core.credentials_async import AsyncTokenCredential
 
@@ -14,7 +14,7 @@ from ._models import Activity
 from ._processor import ScopedContentProcessor
 from ._settings import PurviewSettings
 
-logger = get_logger("agent_framework.purview")
+logger = logging.getLogger("agent_framework.purview")
 
 
 class PurviewPolicyMiddleware(AgentMiddleware):

python/packages/purview/agent_framework_purview/_models.py

@@ -2,16 +2,16 @@
 
 from __future__ import annotations
 
+import logging
 from collections.abc import Mapping, MutableMapping, Sequence
 from datetime import datetime
 from enum import Enum, Flag, auto
 from typing import Any, ClassVar, TypeVar, cast
 from uuid import uuid4
 
-from agent_framework._logging import get_logger
 from agent_framework._serialization import SerializationMixin
 
-logger = get_logger("agent_framework.purview")
+logger = logging.getLogger("agent_framework.purview")
 
 # --------------------------------------------------------------------------------------
 # Enums & flag helpers

python/packages/purview/agent_framework_purview/_processor.py

@@ -1,13 +1,13 @@
 # Copyright (c) Microsoft. All rights reserved.
 
 import asyncio
+import logging
 import time
 import uuid
 from collections.abc import Iterable, MutableMapping
 from typing import Any
 
 from agent_framework import Message
-from agent_framework._logging import get_logger
 
 from ._cache import CacheProvider, InMemoryCacheProvider, create_protection_scopes_cache_key
 from ._client import PurviewClient
@@ -37,7 +37,7 @@ from ._models import (
 )
 from ._settings import PurviewSettings
 
-logger = get_logger("agent_framework.purview")
+logger = logging.getLogger("agent_framework.purview")
 
 
 def _is_valid_guid(value: str | None) -> bool: