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/ollama/agent_framework_ollama/_chat_client.py

@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import json
+import logging
 import sys
 from collections.abc import (
     AsyncIterable,
@@ -28,7 +29,6 @@ from agent_framework import (
     Message,
     ResponseStream,
     UsageDetails,
-    get_logger,
 )
 from agent_framework._settings import load_settings
 from agent_framework.exceptions import (
@@ -281,7 +281,7 @@ class OllamaSettings(TypedDict, total=False):
     model_id: str | None
 
 
-logger = get_logger("agent_framework.ollama")
+logger = logging.getLogger("agent_framework.ollama")
 
 
 class OllamaChatClient(