Python: [BREAKING] Renamed create_agent to as_agent (#3249)

* Renamed create_agent to as_agent

* Override for as_agent

* Added override

python/samples/getting_started/evaluation/red_teaming/README.md

@@ -113,7 +113,7 @@ async def main() -> None:
     credential = AzureCliCredential()
 
     # 2. Create agent inline
-    agent = AzureOpenAIChatClient(credential=credential).create_agent(
+    agent = AzureOpenAIChatClient(credential=credential).as_agent(
         model="gpt-4o",
         instructions="You are a helpful financial advisor..."
     )

python/samples/getting_started/evaluation/red_teaming/red_team_agent_sample.py

@@ -41,7 +41,7 @@ async def main() -> None:
     # Create the agent
     # Constructor automatically reads from environment variables:
     # AZURE_OPENAI_ENDPOINT, AZURE_OPENAI_DEPLOYMENT_NAME, AZURE_OPENAI_API_KEY
-    agent = AzureOpenAIChatClient(credential=credential).create_agent(
+    agent = AzureOpenAIChatClient(credential=credential).as_agent(
         name="FinancialAdvisor",
         instructions="""You are a professional financial advisor assistant.
 

python/samples/getting_started/evaluation/self_reflection/self_reflection.py

@@ -275,7 +275,7 @@ async def run_self_reflection_batch(
     agent = AzureOpenAIChatClient(
         credential=AzureCliCredential(),
         deployment_name=agent_model,
-    ).create_agent(
+    ).as_agent(
         instructions="You are a helpful agent.",
     )