refactor(a2a.helpers): Expose routing helpers from a2a.helpers

src/a2a/helpers/__init__.py

@@ -31,9 +31,17 @@
     new_url_message,
     new_url_part,
 )
+from a2a.server.routes.agent_card_routes import create_agent_card_routes
+from a2a.server.routes.fastapi_routes import add_a2a_routes_to_fastapi
+from a2a.server.routes.jsonrpc_routes import create_jsonrpc_routes
+from a2a.server.routes.rest_routes import create_rest_routes
 
 
 __all__ = [
+    'add_a2a_routes_to_fastapi',
+    'create_agent_card_routes',
+    'create_jsonrpc_routes',
+    'create_rest_routes',
     'display_agent_card',
     'get_artifact_text',
     'get_data_parts',

src/a2a/server/agent_execution/request_context_builder.py

@@ -1,6 +1,6 @@
 from abc import ABC, abstractmethod
 
-from a2a.server.agent_execution import RequestContext
+from a2a.server.agent_execution.context import RequestContext
 from a2a.server.context import ServerCallContext
 from a2a.types.a2a_pb2 import SendMessageRequest, Task
 

src/a2a/server/agent_execution/simple_request_context_builder.py

@@ -1,10 +1,11 @@
 import asyncio
 
-from a2a.server.agent_execution import RequestContext, RequestContextBuilder
+from a2a.server.agent_execution.context import RequestContext
+from a2a.server.agent_execution.request_context_builder import RequestContextBuilder
 from a2a.server.context import ServerCallContext
 from a2a.server.id_generator import IDGenerator
 from a2a.server.tasks import TaskStore
 from a2a.types.a2a_pb2 import SendMessageRequest, Task
 
 
 class SimpleRequestContextBuilder(RequestContextBuilder):