fix: fix assign value stand as default (#30651)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
This commit is contained in:
wangxiaolei
2026-01-07 14:54:11 +08:00
committed by GitHub
parent 666640f7d5
commit 187bfafe8b
2 changed files with 409 additions and 0 deletions

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@ -358,6 +358,25 @@ class AdvancedChatAppGenerateTaskPipeline(GraphRuntimeStateSupport):
if node_finish_resp:
yield node_finish_resp
# For ANSWER nodes, check if we need to send a message_replace event
# Only send if the final output differs from the accumulated task_state.answer
# This happens when variables were updated by variable_assigner during workflow execution
if event.node_type == NodeType.ANSWER and event.outputs:
final_answer = event.outputs.get("answer")
if final_answer is not None and final_answer != self._task_state.answer:
logger.info(
"ANSWER node final output '%s' differs from accumulated answer '%s', sending message_replace event",
final_answer,
self._task_state.answer,
)
# Update the task state answer
self._task_state.answer = str(final_answer)
# Send message_replace event to update the UI
yield self._message_cycle_manager.message_replace_to_stream_response(
answer=str(final_answer),
reason="variable_update",
)
def _handle_node_failed_events(
self,
event: Union[QueueNodeFailedEvent, QueueNodeExceptionEvent],