chore(agent): remove v1 wording from runner internals

src/langbot/pkg/plugin/connector.py

@@ -641,10 +641,10 @@ class PluginRuntimeConnector:
             context: AgentRunContext as dict
 
         Yields:
-            AgentRunResult dicts per Protocol v1
+            AgentRunResult dicts
         """
         if not self.is_enable_plugin:
-            # Return v1 protocol run.failed
+            # Return a protocol-level failure result.
             yield {
                 'type': 'run.failed',
                 'data': {

src/langbot/pkg/plugin/handler.py

@@ -1422,7 +1422,7 @@ class RuntimeConnectionHandler(handler.Handler):
     ) -> typing.AsyncGenerator[dict[str, Any], None]:
         """Run an AgentRunner component.
 
-        Yields AgentRunResult dicts per Protocol v1.
+        Yields AgentRunResult dicts.
         """
         gen = self.call_action_generator(
             LangBotToRuntimeAction.RUN_AGENT,