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

* Renamed create_agent to as_agent

* Override for as_agent

* Added override

python/samples/autogen-migration/single_agent/01_basic_assistant_agent.py

@@ -33,7 +33,7 @@ async def run_agent_framework() -> None:
 
     # AF constructs a lightweight ChatAgent backed by OpenAIChatClient
     client = OpenAIChatClient(model_id="gpt-4.1-mini")
-    agent = client.create_agent(
+    agent = client.as_agent(
         name="assistant",
         instructions="You are a helpful assistant. Answer in one sentence.",
     )

python/samples/autogen-migration/single_agent/02_assistant_agent_with_tool.py

@@ -65,7 +65,7 @@ async def run_agent_framework() -> None:
 
     # Create agent with tool
     client = OpenAIChatClient(model_id="gpt-4.1-mini")
-    agent = client.create_agent(
+    agent = client.as_agent(
         name="assistant",
         instructions="You are a helpful assistant. Use available tools to answer questions.",
         tools=[get_weather],

python/samples/autogen-migration/single_agent/03_assistant_agent_thread_and_stream.py

@@ -40,7 +40,7 @@ async def run_agent_framework() -> None:
     from agent_framework.openai import OpenAIChatClient
 
     client = OpenAIChatClient(model_id="gpt-4.1-mini")
-    agent = client.create_agent(
+    agent = client.as_agent(
         name="assistant",
         instructions="You are a helpful math tutor.",
     )

python/samples/autogen-migration/single_agent/04_agent_as_tool.py

@@ -54,7 +54,7 @@ async def run_agent_framework() -> None:
     client = OpenAIChatClient(model_id="gpt-4.1-mini")
 
     # Create specialized writer agent
-    writer = client.create_agent(
+    writer = client.as_agent(
         name="writer",
         instructions="You are a creative writer. Write short, engaging content.",
     )
@@ -68,7 +68,7 @@ async def run_agent_framework() -> None:
     )
 
     # Create coordinator agent with writer tool
-    coordinator = client.create_agent(
+    coordinator = client.as_agent(
         name="coordinator",
         instructions="You coordinate with specialized agents. Delegate writing tasks to the writer agent.",
         tools=[writer_tool],