Python: [Feature Branch] Renamed Azure AI agent and small fixes (#1919)

* Renaming

* Small fixes

* Update python/packages/core/agent_framework/openai/_shared.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

python/packages/core/agent_framework/azure/__init__.py

@@ -6,7 +6,7 @@ from typing import Any
 
 _IMPORTS: dict[str, tuple[str, str]] = {
     "AzureAIAgentClient": ("agent_framework_azure_ai", "azure-ai"),
-    "AzureAIAgentClientV2": ("agent_framework_azure_ai", "azure-ai"),
+    "AzureAIClient": ("agent_framework_azure_ai", "azure-ai"),
     "AzureOpenAIAssistantsClient": ("agent_framework.azure._assistants_client", "core"),
     "AzureOpenAIChatClient": ("agent_framework.azure._chat_client", "core"),
     "AzureAISettings": ("agent_framework_azure_ai", "azure-ai"),

python/packages/core/agent_framework/azure/__init__.pyi

@@ -1,6 +1,6 @@
 # Copyright (c) Microsoft. All rights reserved.
 
-from agent_framework_azure_ai import AzureAIAgentClient, AzureAIAgentClientV2, AzureAISettings
+from agent_framework_azure_ai import AzureAIAgentClient, AzureAIClient, AzureAISettings
 
 from agent_framework.azure._assistants_client import AzureOpenAIAssistantsClient
 from agent_framework.azure._chat_client import AzureOpenAIChatClient
@@ -10,7 +10,7 @@ from agent_framework.azure._shared import AzureOpenAISettings
 
 __all__ = [
     "AzureAIAgentClient",
-    "AzureAIAgentClientV2",
+    "AzureAIClient",
     "AzureAISettings",
     "AzureOpenAIAssistantsClient",
     "AzureOpenAIChatClient",

python/packages/core/agent_framework/openai/_responses_client.py

@@ -338,6 +338,8 @@ class OpenAIBaseResponsesClient(OpenAIBase, BaseChatClient):
 
         # model id
         if not run_options.get("model"):
+            if not self.model_id:
+                raise ValueError("model_id must be a non-empty string")
             run_options["model"] = self.model_id
 
         # messages

python/packages/core/agent_framework/openai/_shared.py

@@ -127,18 +127,18 @@ class OpenAIBase(SerializationMixin):
 
     INJECTABLE: ClassVar[set[str]] = {"client"}
 
-    def __init__(self, *, model_id: str, client: AsyncOpenAI | None = None, **kwargs: Any) -> None:
+    def __init__(self, *, model_id: str | None = None, client: AsyncOpenAI | None = None, **kwargs: Any) -> None:
         """Initialize OpenAIBase.
 
         Keyword Args:
             client: The AsyncOpenAI client instance.
-            model_id: The AI model ID to use (non-empty, whitespace stripped).
+            model_id: The AI model ID to use.
             **kwargs: Additional keyword arguments.
         """
-        if not model_id or not model_id.strip():
-            raise ValueError("model_id must be a non-empty string")
         self.client = client
-        self.model_id = model_id.strip()
+        self.model_id = None
+        if model_id:
+            self.model_id = model_id.strip()
 
         # Call super().__init__() to continue MRO chain (e.g., BaseChatClient)
         # Extract known kwargs that belong to other base classes

python/packages/core/tests/openai/test_openai_responses_client.py

@@ -2075,27 +2075,27 @@ def test_create_response_content_image_generation_fallback():
     assert f"data:image/png;base64,{unrecognized_base64}" == content.uri
 
 
-def test_prepare_options_store_parameter_handling() -> None:
+async def test_prepare_options_store_parameter_handling() -> None:
     client = OpenAIResponsesClient(model_id="test-model", api_key="test-key")
     messages = [ChatMessage(role="user", text="Test message")]
 
     test_conversation_id = "test-conversation-123"
     chat_options = ChatOptions(store=True, conversation_id=test_conversation_id)
-    options = client._prepare_options(messages, chat_options)  # type: ignore
+    options = await client.prepare_options(messages, chat_options)  # type: ignore
     assert options["store"] is True
     assert options["previous_response_id"] == test_conversation_id
 
     chat_options = ChatOptions(store=False, conversation_id="")
-    options = client._prepare_options(messages, chat_options)  # type: ignore
+    options = await client.prepare_options(messages, chat_options)  # type: ignore
     assert options["store"] is False
 
     chat_options = ChatOptions(store=None, conversation_id=None)
-    options = client._prepare_options(messages, chat_options)  # type: ignore
+    options = await client.prepare_options(messages, chat_options)  # type: ignore
     assert options["store"] is False
     assert "previous_response_id" not in options
 
     chat_options = ChatOptions()
-    options = client._prepare_options(messages, chat_options)  # type: ignore
+    options = await client.prepare_options(messages, chat_options)  # type: ignore
     assert options["store"] is False
     assert "previous_response_id" not in options