Enable per-device concurrent sync event processing#3881
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guiyanakuang merged 1 commit intomainfrom Feb 15, 2026
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Replace MutableSharedFlow with Channel + launch in GeneralSyncManager to allow concurrent event processing across different devices. Add per-device Mutex in SyncResolver to serialize events for the same appInstanceId while allowing different devices to process concurrently. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <noreply@anthropic.com> Co-Authored-By: Happy <yesreply@happy.engineering>
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Summary
MutableSharedFlowwithChannel(UNLIMITED)+launchper event inGeneralSyncManager, enabling concurrent event processing across different devicesMutexinSyncResolverto serialize events for the sameappInstanceIdwhile allowing events for different devices to process concurrentlyappInstanceId()helper extracts the device identifier from all event types for mutex routingFixes #3880
Changes
MutableSharedFlow→Channel(UNLIMITED),collect→for + launchdeviceMutexesmap withMutexlock guard, extractprocessEvent(), wrap with per-devicemutex.withLockTest plan