- Driver.OpcUaClient-011: rewrote the ValueRank comment with the OPC UA
Part 3 constants and an explicit scalar/array boundary at
valueRank >= 0.
- Driver.OpcUaClient-014: track every MonitoredItem.Notification handler
in a MonitoredItemNotificationHandle record; UnsubscribeAsync /
UnsubscribeAlarmsAsync / ShutdownAsync detach the handler before
Subscription.DeleteAsync so the SDK's invocation list no longer keeps
the driver alive.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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