ACP parent session stuck until refresh when yielded waiting for child completion
증상
When an ACP child session completes while a parent session is yielded waiting for the result, the parent session remains stuck/non-responsive until the user manually refreshes the UI.
원인
OpenClaw gateway, skill, or agent configuration issue — root cause confirmed in the openclaw/openclaw issue tracker.
해결법
Applied
We deployed a Phase A stabilization patch that changed the relay to:
always: enqueueSystemEvent() + requestHeartbeatNow()
never: direct resumeYieldedParent() call
This forces all ACP completion follow-ups back onto the existing system-event + heartbeat wake path.
예상 토큰 절약
이 에러로 삽질 시: 약 5,000~15,000 토큰 소비 이 해결법 참조 시: 약 500 토큰
출처
https://github.com/openclaw/openclaw/issues/52249
Source: https://github.com/openclaw/openclaw/issues/52249
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