Python: openai updates (#388)

* openai updates

* rebuild of openai structure

* updated responses structure

* renamed sample

* added file id support to code interpreter

* added hosted file ids to code interpretor

* mypy fixes

* removed default az cred from codebase

* updated agent name setup

* added kwargs to entra methods

* and further kwargs

* extra comment

* updated all samples

* readded custom get methods for responses

* updated int tests with ad credential

* missed one

python/samples/getting_started/agents/openai_responses_client/openai_responses_client_reasoning.py

@@ -0,0 +1,46 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import asyncio
+
+from agent_framework import HostedCodeInterpreterTool, TextContent, TextReasoningContent, UsageContent
+from agent_framework.openai import OpenAIResponsesClient
+
+
+async def reasoning_example() -> None:
+    """Example of reasoning response (get results as they are generated)."""
+    print("=== Reasoning Example ===")
+
+    agent = OpenAIResponsesClient(ai_model_id="o4-mini").create_agent(
+        name="MathHelper",
+        instructions="You are a personal math tutor. When asked a math question, "
+        "write and run code using the python tool to answer the question.",
+        tools=HostedCodeInterpreterTool(),
+        reasoning={"effort": "medium"},
+    )
+
+    query = "I need to solve the equation 3x + 11 = 14. Can you help me?"
+    print(f"User: {query}")
+    print(f"{agent.name}: ", end="", flush=True)
+    usage = None
+    async for chunk in agent.run_streaming(query):
+        if chunk.contents:
+            for content in chunk.contents:
+                if isinstance(content, TextReasoningContent):
+                    print(f"\033[97m{content.text}\033[0m", end="", flush=True)
+                if isinstance(content, TextContent):
+                    print(content.text, end="", flush=True)
+                if isinstance(content, UsageContent):
+                    usage = content
+    print("\n")
+    if usage:
+        print(f"Usage: {usage.details}")
+
+
+async def main() -> None:
+    print("=== Basic OpenAI Responses Reasoning Agent Example ===")
+
+    await reasoning_example()
+
+
+if __name__ == "__main__":
+    asyncio.run(main())