Python: Add initial scaffold for durabletask package (#2761)

* Add initial scaffold

* Update design

* Fix mypy and update design

* add additional style considered

* Address comments

* Fix test

* Update readmes

python/packages/azurefunctions/tests/integration_tests/test_01_single_agent.py

@@ -15,8 +15,7 @@ Usage:
 """
 
 import pytest
-
-from agent_framework_azurefunctions._constants import THREAD_ID_HEADER
+from agent_framework_durabletask import THREAD_ID_HEADER
 
 from .testutils import SampleTestHelper, skip_if_azure_functions_integration_tests_disabled
 

python/packages/azurefunctions/tests/test_app.py

@@ -11,15 +11,16 @@ import azure.durable_functions as df
 import azure.functions as func
 import pytest
 from agent_framework import AgentRunResponse, ChatMessage, ErrorContent
-
-from agent_framework_azurefunctions import AgentFunctionApp
-from agent_framework_azurefunctions._app import WAIT_FOR_RESPONSE_FIELD, WAIT_FOR_RESPONSE_HEADER
-from agent_framework_azurefunctions._constants import (
+from agent_framework_durabletask import (
     MIMETYPE_APPLICATION_JSON,
     MIMETYPE_TEXT_PLAIN,
     THREAD_ID_HEADER,
+    WAIT_FOR_RESPONSE_FIELD,
+    WAIT_FOR_RESPONSE_HEADER,
+    DurableAgentState,
 )
-from agent_framework_azurefunctions._durable_agent_state import DurableAgentState
+
+from agent_framework_azurefunctions import AgentFunctionApp
 from agent_framework_azurefunctions._entities import AgentEntity, create_agent_entity
 
 TFunc = TypeVar("TFunc", bound=Callable[..., Any])

python/packages/azurefunctions/tests/test_entities.py

@@ -13,17 +13,17 @@ from unittest.mock import AsyncMock, Mock, patch
 
 import pytest
 from agent_framework import AgentRunResponse, AgentRunResponseUpdate, ChatMessage, ErrorContent, Role
-from pydantic import BaseModel
-
-from agent_framework_azurefunctions._durable_agent_state import (
+from agent_framework_durabletask import (
     DurableAgentState,
     DurableAgentStateData,
     DurableAgentStateMessage,
     DurableAgentStateRequest,
     DurableAgentStateTextContent,
+    RunRequest,
 )
+from pydantic import BaseModel
+
 from agent_framework_azurefunctions._entities import AgentEntity, create_agent_entity
-from agent_framework_azurefunctions._models import RunRequest
 
 TFunc = TypeVar("TFunc", bound=Callable[..., Any])
 

python/packages/azurefunctions/tests/test_models.py

@@ -5,9 +5,10 @@
 import azure.durable_functions as df
 import pytest
 from agent_framework import Role
+from agent_framework_durabletask import RunRequest
 from pydantic import BaseModel
 
-from agent_framework_azurefunctions._models import AgentSessionId, RunRequest
+from agent_framework_azurefunctions._models import AgentSessionId
 
 
 class ModuleStructuredResponse(BaseModel):