add @validate_version(constants.PROTOCOL_VERSION_1_0) to handler in handle_authenticated_agent_card

Author: sokoliva

src/a2a/server/routes/jsonrpc_dispatcher.py

@@ -374,11 +374,10 @@ async def handle_requests(self, request: Request) -> Response:  # noqa: PLR0911,
             call_context.state['method'] = method
             call_context.state['request_id'] = request_id
 
+            # Route streaming requests by method name
             handler_result: (
                 AsyncGenerator[dict[str, Any], None] | dict[str, Any]
             )
-
-            # Route streaming requests by method name
             if method in ('SendStreamingMessage', 'SubscribeToTask'):
                 handler_result = await self._process_streaming_request(
                     request_id, specific_request, call_context

src/a2a/server/routes/rest_dispatcher.py

@@ -334,6 +334,7 @@ async def handle_authenticated_agent_card(
     ) -> Response:
         """Handles the 'agentCard' REST method."""
 
+        @validate_version(constants.PROTOCOL_VERSION_1_0)
         async def _handler(
             context: ServerCallContext,
         ) -> a2a_pb2.AgentCard: