fix: fix docstring

Author: JackYPCOnline

src/strands/multiagent/graph.py

@@ -322,7 +322,7 @@ def set_graph_id(self, graph_id: str) -> "GraphBuilder":
         """Set graph id.
 
         Args:
-            graph_id: Unique graph id default to uuid4
+            graph_id: Unique graph id
         """
         self._id = graph_id
         return self

src/strands/multiagent/swarm.py

@@ -336,6 +336,7 @@ async def invoke_async(
             finally:
                 self.state.execution_time = round((time.time() - start_time) * 1000)
                 self.hooks.invoke_callbacks(AfterMultiAgentInvocationEvent(self, invocation_state))
+                self._resume_from_session = False
 
             return self._build_result()