Python: Fix sample bugs: incorrect API params, wrong client types, and invalid options (#4983)

* Fix sample bugs: incorrect API params, wrong client types, and invalid options

- typed_options.py: Fix AnthropicClient model->model_id, wrap raw strings in Message objects for get_response(), fix reasoning_effort->reasoning dict, fix budget_tokens minimum (1024), use OpenAIChatClient not FoundryChatClient, remove unused import

- client_reasoning.py: Fix deprecated model_id to model param

- client_with_hosted_mcp.py: Remove invalid store=True kwarg from Agent.run()

- code_defined_skill.py: Fix precision kwarg to use function_invocation_kwargs

- Various other samples: Fix deprecated API usage and incorrect params

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Address PR review comments

- client_with_hosted_mcp.py: Fix remaining store=True kwarg on line 68 to use options dict

- client_with_session.py: Change store=True to store=False to match in-memory persistence demo intent

- typed_options.py: Remove non-existent import and model key from docstring example

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* new sample fixes

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

python/samples/02-agents/tools/function_tool_with_approval.py

@@ -5,7 +5,7 @@ from random import randrange
 from typing import TYPE_CHECKING, Annotated, Any
 
 from agent_framework import Agent, AgentResponse, Message, tool
-from agent_framework.openai import OpenAIResponsesClient
+from agent_framework.openai import OpenAIChatClient
 from dotenv import load_dotenv
 
 if TYPE_CHECKING:
@@ -134,7 +134,7 @@ async def run_weather_agent_with_approval(stream: bool) -> None:
     print(f"\n=== Weather Agent with Approval Required ({'Streaming' if stream else 'Non-Streaming'}) ===\n")
 
     async with Agent(
-        client=OpenAIResponsesClient(),
+        client=OpenAIChatClient(),
         name="WeatherAgent",
         instructions=("You are a helpful weather assistant. Use the get_weather tool to provide weather information."),
         tools=[get_weather, get_weather_detail],